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The Compendium

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Donald Keene is a newly elected congressman serving in Washington in 2049.

Paul Thurman is a senator from Georgia.

Anna is Senator Thurman’s daughter.

Jimmy Parker is in class when the last of the great Louds begins.

Helen is Donald’s wife.

Victor works in the psych office across the hall from Troy.

Charlotte is Donald’s sister and is serving in the field overseas.

Mission Jones will turn seventeen the next day.

Anna identifies Erskine as one of the three principal planners alongside Victor and her father.

Mick Webb is a congressman and an old college friend of Donald’s.

The men waking Troy report that Silo Eighteen is having problems.

Silo 1 is the location of Troy’s awakening and first shift in 2110.

Jimmy’s father is expected to work overtime in IT on cleaning day.

Troy has read the Order, but studied it for running a single silo.

Troy awakens in 2110 beneath the hills of Fulton County, Georgia.

Jimmy’s mother abruptly enters his classroom and pulls him out by the arm.

Rodny is Mission’s best friend.

Eren heads Ops and occupies the psychologist’s desk down the hall.

An operator reports that silo seventeen was shut down several shifts earlier.

The Legacy is a collection of books containing a carefully edited history of the world.

The coffins hold living people in rows extending toward distant curved walls.

Mrs. Crowe taught Mission and Frankie and encouraged Frankie to pursue farming.

Jimmy’s home beneath the server room

The hidden rooms are reached by a long ladder and a narrow passage carrying pipes and wires.

Nano Treatments

Nano treatments are reputed to delay the pain of aging without making a person immortal.

The pills given to Troy are bitter.

The deep freeze holds women, children, and men unable to complete their shifts.

Silo Seventeen Key

Jimmy’s father says only two keys to the silo exist.

An unidentified source of whimpering is audible inside the flooded levels.

Containment and Disposal Facility

The Containment and Disposal Facility is nicknamed CAD-FAC.

The attendants report that a female cleaner from Silo Eighteen passed over the hill and contact was lost.

Donald's Design

Donald originally produced the architectural drawing for a senior-year biotecture class.

Cam is Mission’s friend and fellow porter on the tandem body haul.

Jimmy reaches for a long black gun leaning against the wall while asking to accompany his father.

An older man who approaches Troy in the cafeteria is thin and has wispy white hair.

Dr. Sneed is an older, heavyset doctor with bushy eyebrows and sparse hair.

Dr. Wilson draws Donald’s blood after he is awakened.

Neighboring Silo Server Room

The server room is protected by a massive steel door operated through a keypad.

Silo Twelve is collapsing while Troy distracts himself with solitaire.

Mission's Mother

Mission’s mother died seventeen years before his approaching seventeenth birthday.

Jimmy's Flashlight

Jimmy wears down his flashlight batteries by repeatedly checking whether it works.

Marcus Dent says he studies the Pact as well as the Order.

Silo One Communications Room

The communications room has an array of fifty numbered headset receptacles.

Silo One Medical

The underground chamber where Troy wakes contains rows of occupied coffins.

Allie is Mission’s close friend and was his first, briefest romance.

Mission's Father

Mission’s father farms the same plot worked by generations of Jones boys.

Silo Twelve Reports

The Silo Twelve reports attribute the disaster to failures by an IT shadow, the IT head and the Security chief.

Porter Dispatch

Dispatch assigns Mission and Cam a tandem haul.

Anna’s message has the subject Urgent—The Pact.

Yani is a large security officer guarding the gate during the chaos.

The Nest is where Mission grew up with his close group of friends.

According to Jeffery, Wyck stopped sending technicians out to repair computers the previous day for safety reasons.

Donald has seen drone and missile camera feeds that show targets’ final moments clearly enough for review frame by frame.

Porters can carry heavier loads than non-porters are allowed to carry.

National Convention

The National Convention is due in a couple of years, and Thurman wants Donald and Helen there.

Silo One Cafeteria

Troy reaches the cafeteria after taking the lift upward.

Anna's War Room

Anna’s workroom has a table displaying a grid of fifty silos under glass.

Lower Dispatch is on level one-twenty and is kept busy by Supply.

Central Staircase

The gaps between the staircase’s levels carry layers of anti-authority graffiti spanning generations.

Donald uses his phone to check the time while waiting to meet Thurman.

Silo Seventeen Security Radio

The wall radio is locked behind a metal cage with accessible switches and dials.

Juliette's File

The staff are assembling a file on the cleaner for the man they believe is Thurman.

The cafeteria screen shows a debris-strewn landscape with dust, low clouds, and bare metal poles.

Frankie is a tall, lanky childhood friend of Mission who works at the farms’ main security gate.

Lyn helps spread rescued files over dormitory bed springs.

Joel is a capable porter two years older than Mission.

Bernard Holland

Eren identifies Bernard as the head of Silo Eighteen.

Rite of Initiation

The candidate assessment uses sensors in the candidate’s headset to evaluate fitness.

Anna says Silo Forty lost communications about a year earlier.

Drone Launch Lift

The launch lift is behind a waist-high garage door wide enough to accommodate the drones’ wingspan.

Marcus Dent says he transferred to IT Security a year ago.

Neighboring Silo Staircase

People are already scrambling on the stairwell when Jimmy’s mother removes him from school.

IT employs Melanie, Marcus Dent’s girlfriend.

Helen says Donald’s dog misses him while he is away.

Medical Recovery Drink

The drink prepared for a waking worker contains two scoops of green powder mixed into warm water.

Porters' Body Bag

A plastic bag separates Mission’s head from the dead man’s head during the tandem haul.

The most recent cleaning occurred only a few months before Mission’s visit to Central Dispatch.

Troy believes Silo Thirty-Two should suspend its lottery until it has more space.

Mission's Knife

Mission carries his knife in a sheath with a clasp around the handle.

Neighboring Silo School

The school landing vibrates with distant heavy traffic as people scramble on the stairwell.

Office for Psychological Services

Troy regards the Office for Psychological Services as more responsible for designing life in the facility than any individual architect.

The landscape visible from the cafeteria is scorched and covered in decaying debris.

Frankie says Roker began growing his own beans in Dispatch.

Donald's Prescription

Donald takes two pills from his prescription vial before returning to dinner.

Victor says his pact with Thurman haunts him as he prepares to end his own participation.

Troy awakens beneath the hills of Fulton County, Georgia, in 2110.

Helen is staying in Savannah while Donald is in Washington.

Troy’s office is on level thirty-four.

Lukas Kyle was considered as a possible replacement two years earlier but judged unready.

Merriman hands responsibility for his post to Troy at the end of his shift.

Morgan is Mission’s former caster.

Mrs. Crowe identifies Jeffery as the head of Security where Rodny is located.

Saul is one of the lead radio technicians.

Victor's Annotated Report

Anna says Victor covered the original report with notes.

Charles Rhodes is the governor of Oklahoma.

Gable is the silo head working across the hall from Ops.

Neighboring Silo IT

Someone wearing a complete cleaning suit emerges from IT onto the crowded level thirty-four landing.

Jimmy's Improvised Pack

Jimmy makes a backpack by knotting the arms and legs of spare overalls into loops and cinching the neck shut.

Mission's Brother

Mission’s brother still meets him at the Nest from time to time.

Silo One Level Fifty-Four

Level fifty-four holds ammunition, armor, helmets, medical supplies and rations.

Donald's Protective Suit

Donald uses a shoelace tied to the suit’s back zipper to close it without assistance.

Mrs. Crowe's Letter

Mrs. Crowe’s letter for Rodny uses an envelope with previous recipients’ names crossed out.

Neighboring Silo One-Hundred-Thirty-Seventh Level

Floodwater stands at least two feet above the landing on level one-thirty-seven and extends inside an open doorway.

Neighboring Silo Uprising

The last of the great Louds begins the day before a scheduled cleaning.

Rodny hides a folded note in his palm and transfers it to Mission during their handshake.

Silo One Airlock

A concrete ramp beneath the tent carries a tightly packed crowd underground.

Silo One Elevators

The lift has seventy numbered floor buttons.

Solo's Second Flashlight

Solo discovers a second flashlight already switched on inside a room in Supply.

Thurman's Apartment

The apartment assigned to Donald is in the operations wing, down the hall from his old office.

Mission carried part of the cleaning suit up from IT for the most recent cleaning.

Georgia contains the Fulton County hills beneath which Troy awakens.

Jimmy's Backpack

Jimmy leaves his backpack behind when his mother takes him from class.

Mrs. Crowe's Wheelchair

Mrs. Crowe’s electric chair receives power through a line descending from the ceiling to a pole on its back.

The large blueprint in Troy’s office depicts fifty silos distributed among the hills.

Silo One Communications

The radio technicians wear orange coveralls.

Silo Seventeen File

Donald requests the available information on silo seventeen under the pretense of refreshing his memory.

Tennessee Facility

Donald remembers the Tennessee tent as the location where he cut the ribbon.

Thurman's Badge

The ID badge left for Donald has a barcode and a name but no photograph.

Upper Cafeteria

Mission has seen construction beside the cafeteria wallscreens.

Wyck offers a private delivery job moving a package half a dozen levels from Supply for two hundred chits.

Downtown Atlanta is visible from the construction site.

A local rock band performs a sound check on Georgia’s main stage.

Anna holds a post at MIT from which she is taking leave to help with Thurman’s project.

A Security guard reports a possible fire in Mechanical.

Neighboring Silo Cafeteria

The cafeteria is silent and lit by a green glow from the stairwell.

Neighboring Silo Supply

Supply’s entrance is locked when Solo arrives.

Jones works with the power plant on level sixty-eight.

Wyck directs a porter accepting his job to ask for Joyce at the Supply counter.

Katelyn works the counter at Central Dispatch.

Silo Twelve IT Head

The IT head’s status updates gave no alarm before Silo Twelve’s collapse.

the piloting room

The room at the end of the hallway contains about a dozen flight-control stations.

Donald's Office

Donald’s office is in Rayburn, one floor above the entrance.

Dr. Henson reports that a patient has not responded to treatment and needs authorization for the deep freeze.

Emergency Personnel Room

The room marked Emergency Personnel uses a different access code from the other rooms Donald knows.

The farm of Mission’s family has been worked by generations of Jones boys.

Mrs. Pearson teaches Jimmy’s class rules from the Pact before a scheduled banishment.

Neighboring Silo Lower Farms

The lower farms lie on level one-twenty.

Robbie answers Mission from an upper way station where he says he has been left alone.

Silo Ranking List

A list ranking all the silos is among Victor’s oldest files and has been accessed recently.

Thurman describes a reset as reducing the population and erasing computer data and memories before starting again.

Solo's Paper Parachutes

Solo makes paper parachutes with folded paper, strings, and small metal washers.

Birth Control Implants

Doc Haines suspects a bad batch of birth control implants in Silo Thirty-Two.

Merriman drinks a bright blue liquid from a clear thermos before returning to his chamber.

Bradley is a porter whom Mission meets among the applicants at IT.

Donald's Wedding Ring

Donald habitually twists his wedding ring with his thumb.

Paul (Jimmy's friend)

Paul is Jimmy’s best friend.

Silo One Level Thirty-Four

Level thirty-four contains Troy’s office.

Silo One Security

Security transports Hal to the deep freeze and helps restrain him for sedation.

Solo’s machete was found beneath a recently dead man.

Victor's Message

Victor’s message anticipates that Thurman will regard his intended action as a violation of their pact.

The 141st is scheduled to perform a flyover after the convention’s noon national anthem.

Donald searches the storage level for Anna’s locker.

Frankie's Father

Frankie’s father works in security in IT.

Jimmy's Family Apartment

Jimmy lives on level eighteen.

Mechanical Levels

Mission’s failed hanging attempt took place at the lower stairwell in Mechanical.

Mission’s aunt formerly worked as a chipper repairing and repainting rusted steel.

Mrs. Crowe's Note for Jeffery

Mrs. Crowe writes Jeffery a note to help Mission deliver her letter to Rodny personally.

Neighboring Silo Cistern

The cistern provides Jimmy with a finite water supply after his tap runs dry.

Neighboring Silo Mechanical

Mechanical is threatened by floodwater spreading from the mines.

One-Hundred-Seventeenth Level

People gathered at landing one-seventeen have seen wreckage falling past.

Operation Fifty of the World Order

Operation Fifty of the World Order admits Marcus Dent after his assessment.

Secret Service agents guard Thurman during his visit to Kramerbooks.

Sensors in the shadow’s headset allow skin conductivity, pulse, and perspiration to be monitored during questioning.

Silo One Power Plant

The silo’s power plant is on level sixty-eight.

Silo One Sensor Tower

A small concrete tower with antennae stands behind the Georgia stage as the only visible sign of the underground containment facility.

Silo Six’s head has selected and processed a replacement and wants Troy to formalize the induction.

Eren confirms that Silo Sixteen lies on the far side of Seventeen along the cleaner’s possible route.

The upper way station is on level ten.

Marcus Dent says he shadowed Deputy Willis before transferring to IT Security a year earlier.

Jason is the shadow of Silo Twelve’s IT head.

The Pact memo consists of one aged sheet with five signatures.

Drexel is an apothecarist who operates in the mids.

According to Thurman, James Hannigan was a corporal and his squad’s medic.

Nanobiotic Chamber

The nanobiotic chamber is a large white capsule with small glass windows, external hoses and wires.

Night-Shift Doctor

The night-shift doctor tells Troy he cannot remain among the cryopods because he will freeze.

Caroline is Erskine’s only child.

Deputy Hines recognizes Jimmy as Russ’s son over the radio.

Jimmy's Calendar

Jimmy’s calendar consists of marks scratched in the black paint of the server each evening.

Neighboring Silo General Store

The general store is on level nineteen, directly below Jimmy’s former home.

One-Hundred-Sixteenth Level

Level one-sixteen is mostly residential, with a few illicit businesses operating from apartments.

Randall works in the psych office across the hall from Troy.

Silo One Level Fifty-Seven

Level fifty-seven contains a storeroom reached by lift.

South Carolina Facility

A concrete ramp inside a smaller tent provides access to the South Carolina facility.

Victor's Research Files

Victor’s research reports cover primate behavior and twentieth- and twenty-first-century wars.

Water Medication

Thurman says the memory-suppressing medication is in the water.

Rhodes says Thurman’s anti-cryo bill made commercial freezing of wealthy clients illegal.

Architects of Death

Architects of Death is a museum exhibit of blueprints and schematics connected to mass killing.

Athena is one of Helen and Rick Brewer’s children.

Biggers heads Silo Thirty-Two.

Carter (porter)

Carter is a strong porter in his early thirties.

The Corner Diner is where Donald and Helen had their first date.

Donald's Locker

Donald’s locker opens with a button rather than a latch.

Emergency Barracks

A bunk room off the storeroom hallway has recent footprints in the dust and gaps where two beds have been removed.

Hank (Silo Seventeen)

The intruder addressed as Hank has a long beard and yellowed teeth.

Holocaust Museum

Charlotte brought her reluctant brother to the Holocaust Museum after their Air and Space Museum visit.

Margaret (congressional secretary)

Margaret is Donald’s secretary.

Parker Family Candle

The Parker family candle is many generations old and less than half consumed.

The media called the attack at Safed an outbreak.

Sarah Jenkins smiles back at Jimmy during class.

Silo Twelve Deputy

A man identified tentatively as a deputy radios for help as a mob breaks down his door.

Jimmy’s poem imagines ghosts watching him and corpses laughing as he walks alone.

Thirty-First-Level Dirt Farm

The farms on level thirty-one attract crowds seeking food.

The bag contains a quarter that reminds Donald of the lost civilization.

Voice on Line One

The caller on line 1 asks whether Jerry or Russ is answering.

Winters is a dark man with a white beard who works in maintenance and is skilled with pumps.

the Senator’s office

Thurman’s waiting-room bookshelves have been converted into trophy cabinets.

Amanda (dispatcher)

Amanda works at Dispatch and handles the hot filing drawers with her hand wrapped in a kerchief.

Barbara sat at a classroom desk beside the door.

Coroner's Office

The coroner’s office is on level thirty-two, below the dirt farm.

De’Angelo’s

De’Angelo’s is the restaurant where Donald and Anna finish their design meeting without Mick.

Donald's Pistol

Donald brings a pistol to Thurman’s pod and holds him at gunpoint.

Drexel's Apothecary

Drexel’s apothecary has a waiting-room bench occupied by coughing and sniffling customers.

Thurman’s new energy bill centers on the Containment and Disposal Facility.

Farmers' Generator

Farmers try to lower a heavy generator between landings using a rope.

Fifty-Eighth Level

Drexel’s apothecary is on level fifty-eight.

Hackett is a dispatcher whom Mission remembers as treating young shadows respectfully.

Hank's Companion

A woman in the hallway calls for Hank before Jimmy shoots her.

The IT levels are on thirty-four.

Jimmy's Fishing Pole

Jimmy’s fishing rig uses a ping-pong ball as a bobber.

Juliette's Knife

An unfamiliar black-handled knife holds the farm door open by being plunged through the grating.

Juliette's Pipe Flask

A piece of plastic pipe containing water is left against the rail near the open farm door.

Kramerbooks has a busy cafe and a small bookshop area with old books.

Laminated Route Map

A laminated map in a storeroom crate depicts all fifty silos.

The Medical Board requires a simpler, more open layout without lifts.

Mrs. Crowe's Apartment

Mrs. Crowe’s classroom adjoins the only apartment on her level.

The porter ledger is a large paper volume kept locked up in the main way station.

The document labeled Seed depicts lines from every silo converging at a single point.

The room where Rodny is staying contains rows of tall black computer cabinets.

Merriman leaves folders of notes for Troy.

Silo Forty Voice

The man on line 40 asks Jimmy about casualties.

Silo One Exercise Room

The exercise room is on level twelve.

Silo Thirty-Two

Silo Thirty-Two’s population exceeds nine thousand and its median age has fallen into the low twenties.

Silo Twelve Airlock

Silo Twelve’s inner airlock door opens during the attempted mass escape.

Solo's Can Opener

Solo found a battered electric can opener in an empty apartment after following Shadow there.

South Carolina Conveyor Lift

A conveyor lift sends loaded containers down the facility’s central shaft and returns empty trays to the top.

South Carolina Third-Level Apartment

The apartment where Mick and Donald speak has a made bed and stacks of linen.

Thurman's Dog Tags

Thurman’s dog tags arrive in a plastic bag marked Shift.

Thurman's Pocketknife

The pocketknife in the bag has a handle that looks like ivory.

University of Georgia

Georgia is the college Donald and Mick attended.

Donald meets with Senator Thurman in Washington, DC, in 2049.

Air and Space Museum

A solar-system scale model outside the Air and Space Museum places the inner planets a few strides apart and Pluto blocks away.

Airlock Canisters

The canisters fill the airlock with white fog when fired after the outer-door breach.

Amanda Kelly is being filmed with a reporter outside her office next to Donald’s.

Thurman says settlers made space in America by spreading sickness and killing its inhabitants.

Anna’s radio is connected to her computer through a black box.

Atlanta International

Numerous departing jets from Atlanta International are visible overhead at the construction site.

The Crow describes Atlantis in an Old Time story as a lost city of magic beyond the hills.

The Architects of Death exhibit includes a clearly labeled layout of Auschwitz and its gas chambers.

Boston is the destination for Donald’s next meeting with the Senator.

CAD-FAC Container Field

The staging area near the main parking lot contains thousands of shipping containers of building supplies.

CAD-FAC Trailer Village

Most trailers at the construction site house workers, while a few serve as offices.

Capitol Building

Donald goes in and out of the Capitol building about a dozen times a week.

Newly elected representatives, including Donald, arrive at Capitol Hill hoping to bring change.

Cassie is a name on a sealed pod in the deep freeze.

Catherine is a name on a sealed pod in the deep freeze.

Centers for Disease Control and Prevention

A Georgia congressman says the CDC website has a response and readiness manual for a zombie invasion.

Chemical supplies fluids and powders that receive special attention in porter monitoring.

Cleaning gear is collected from a room down the hall from Rodny’s detention.

Colorado Flight School

Donald toured his sister’s training facility after her graduation from flight school in Colorado.

The shift list identifies Cooper as on duty when Silo Seventeen fell.

According to Donald, the DNC has not yet announced the National Convention’s location.

Danielle is Helen’s sister.

Democratic Party

Thurman addresses fellow Democrats at the convention.

Deputy Willis supervised Marcus Dent as a shadow before Marcus transferred to IT Security.

Doc Haines suspects faulty birth control implants are causing Silo Thirty-Two’s population growth.

Donald and Helen's House

Donald finds Helen’s Jeep occupying the middle of the driveway when he returns home.

Dr. Martin is the psychiatrist who treats Donald’s sister.

The Pact memo rules out letting two facilities reach E-Day for redundancy.

The memo’s author volunteers to work E-shift and pull the lever.

Emergency Personnel

Personnel stored in the room marked Emergency Personnel include Charlotte.

Eren’s desk is surrounded by files and piled with paperwork.

Farm Feeding Hall

Mission’s father proposes meeting Mission in the feeding hall in half an hour.

The pump room is down the hall from the family’s growing station.

Someone gives a speech on Florida’s stage during convention preparations.

Gabriella is a name on a sealed pod in the deep freeze.

Garment District

Garment sent a large quantity of white Security coveralls down a few days earlier.

Georgia Delegation

Work crews operate from the Georgia tents during preparations.

Georgia State Tent

Thurman asks Donald to visit him at the state tent once Helen arrives.

Jimmy’s glass figurine soldiers were a thirteenth-birthday gift from his uncle.

Gretchen is a name on a sealed pod in the deep freeze.

Gwynn is a name on a sealed pod in the deep freeze.

Halley is a name on a sealed pod in the deep freeze.

Heather (first pod)

Heather is a name on a sealed pod in the deep freeze.

Heather (second pod)

A second pod in the deep freeze bears the name Heather.

Helen (first pod)

Helen is one of two occupants with that name in the deep freeze.

Helen (second pod)

Helen is one of two occupants with that name in the deep freeze.

Many blueprints displayed in Architects of Death bear Himmler’s signature.

A Holocaust Museum exhibit addresses efforts to deny the Holocaust and presents blueprints as evidence.

House of Representatives

The House of Representatives has offices in Rayburn.

IT Conference Room

Young men fill out applications in IT’s conference room.

Jahns recruited Juliette as sheriff despite objections to her qualifications.

Jerry is the boss of Jimmy’s father, Russ.

Jimmy's Calculator

The calculator Jimmy’s father built remains in Jimmy’s abandoned backpack.

Jocelyn helps Carter and Lyn spread rescued files over dormitory bed springs.

Thurman places the incident in which Hannigan was wounded outside Kashmar near the end of the war.

Lily is an older porter working in the flooded, smoke-filled Dispatch corridors.

Lincoln Memorial

Donald remembers walking around the Lincoln Memorial with Helen shortly before the cherry blossoms.

Bernard says he knew Lukas’s father and describes him as stern.

Mars is one of Helen and Rick Brewer’s children.

Robbie says the mayor’s office has the only working terminal available to his office.

Mechanical Barricade

Bernard expects his forces to break through Mechanical’s barricade soon.

Mechanical and Supply Uprising

The uprising has disabled cameras and left Silo One unable to watch level one-forty and below.

Melanie is Marcus Dent’s girlfriend and works in IT.

Mission and Allie's Apartment

Mission and Allie keep candles for power interruptions caused by generator changes and repairs.

Mission's Grandfather

Mission’s grandfather died in the uprising of ’78 before Mission knew him.

Mission's Stepmother

Mission believes his stepmother would be hurt if he failed to visit her.

Thurman says NASA is requesting substantial funding for a round trip to Mars.

Nanobiotech Wing

The nanobiotech wing is guarded by heavy doors and men blocking every corridor.

Neighboring Silo Forty-Second Level

Solo uses the landing at forty-two as a place to dump bags of empty cans from above.

Neighboring Silo Garment District

Jimmy expects to find overalls in the garment district.

Neighboring Silo Level Forty

Level forty divides its space equally between housing and other uses, with a quarter of the level devoted to light agriculture and the remainder to commercial activity.

Neighboring Silo Mines

Survivors are trying to stop floodwater from spreading out of the mines and inundating Mechanical.

Neighboring Silo Ninth Level

Solo’s final paper parachute narrowly misses the landing on level nine.

Neighboring Silo One-Hundred-Thirty-First Level

Jimmy rests against the closed doors of level one-thirty-one while Shadow eats his fish.

Neighboring Silo One-Hundred-Thirty-Sixth Landing

An unspooled emergency fire hose lies tangled on the landing of level one-thirty-six.

Neighboring Silo One-Hundred-Twenty-Eighth Level

Solo stops in an apartment on level one-twenty-eight to urinate.

Neighboring Silo Sanitation

Jimmy passes sanitation on level twenty-six on his way to the general store.

Neighboring Silo Third Level

Solo uses the third-level railing as the launch point for his paper parachute.

Neighboring Silo Thirty-First-Level Dirt Farm

Jimmy passes the dirt farm on level thirty-one while climbing toward the general store.

Neighboring Silo Thirty-Third Level

Solo briefly mistakes the thirty-third landing for his destination while fleeing, then realizes he must descend one more.

Neighboring Silo Water Stock

Solo has located the water stock on level one-twelve.

North Carolina Delegation

Bluegrass music comes from the direction of North Carolina’s delegation.

Oklahoma is supplying shipments for the construction project.

One-Hundred-Seventh Level

Joel and Lyn let Mission out of the bag in a bathroom on level one-zero-seven above Supply.

Rhodes invokes government accounting to explain the Pentagon’s extremely expensive hammers.

Population Control

Population Control blamed Silo Seventeen’s collapse on a lax IT department.

RYT’s Dwayne Medical Center has security that Donald finds more intensive than the government buildings he has visited.

Rayburn houses offices for the House of Representatives.

Republican Party

Thurman jokingly describes Republicans as enemies while introducing a quotation attributed to Reagan.

Thurman credits Ronald Reagan with saying freedom must be fought for and peace earned.

Donald remembers Safed as an Israeli town near Nazareth and Syria.

Sandra (Helen's mother)

Sandra is Helen’s mother.

Seventh-Level Bakery

The bakery is on level seven.

Anna says Thurman was awakened when contact with Silo Forty-Two was lost.

Silo One Control Room

The control room down the hall receives the order to fire the airlock canisters.

Silo One Engineering

Engineering blamed Silo Seventeen’s collapse on programming.

Silo One Fifties

The levels in the fifties hold emergency supplies.

Silo One Level Forty-Four

Level forty-four is a general living level.

Silo One Level Thirty-Seven

Level thirty-seven contains Troy’s apartment.

Silo One Lounge

An older man tells Troy that the lounge offers a view farther into the distance.

Silo One Mechanical Levels

The mechanical spaces and general storerooms lie above the two reactor levels.

Silo One Psych Office

The psych office is across the hall from Troy’s office.

Silo Seventeen Level Thirty-Two Water Plant

Jimmy passes the water plant on level thirty-two as he climbs toward the general store.

Silo Twelve Cafeteria

A single door separates Silo Twelve’s cafeteria from its airlock.

Silo Twelve Level Seventy-Two

Silo Twelve’s level seventy-two camera shows the sheriff slumped at a desk.

Silo Twelve Server Room

Calls to Silo Twelve’s server room go unanswered during the collapse.

Silo Twelve Sheriff

Silo Twelve’s sheriff is dead at a desk on level seventy-two, with a gun in his hand and blood around the keyboard.

Silo Twelve Staircase

Silo Twelve’s spiral staircase is packed with frightened people pushing and shoving.

Silo Twelve Upper Security Office

A mob breaks through the door of Silo Twelve’s upper security office.

Solo's Canvas Bag

Solo takes his canvas bag on a trip to collect food.

South Carolina Delegation

A blue flag with a white tree and crescent moon flies over the South Carolina stage.

Storage Facility

The storage facility beyond the bunk room contains racks of guns and many boxes of ammunition.

Supply is the destination for the delivery Mission accepts from Mechanical.

Supply is six levels above the residential level one-sixteen.

The chapter’s events in Silo 18 take place in the year of the Great Uprising.

Troy's Apartment

Troy’s apartment is on level thirty-seven.

Twenty-Fourth Level

A gap beyond the twenty-fourth level contains freshly painted graffiti.

Uprising of ’78

Mission’s grandfather was killed in the uprising of ’78.

Walter Reed’s cafeteria was the setting for a meeting at which Victor discussed the psychological danger of man-made epidemics with Erskine and Thurman.

Donald has visited the White House twice.

the congressional representatives

New representatives from Georgia are summoned to individual meetings with Senator Thurman.