the Alcatraz of the Rockies

E675390

federal prison nickname

The Alcatraz of the Rockies is the nickname for ADX Florence, the United States’ most secure federal “supermax” prison that houses some of the country’s most dangerous and high-profile inmates.

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All labels observed (1)

Label	Occurrences
the Alcatraz of the Rockies canonical	4

How this entity was disambiguated

This entity first appeared as the object of triple T7595431 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: the Alcatraz of the Rockies
Context triple: [United States Penitentiary, Florence ADX, alsoKnownAs, the Alcatraz of the Rockies]

A. Snow Mountain Reservation
Snow Mountain Reservation is a Native American reservation in Nevada that serves as one of the primary land bases of the Las Vegas Paiute Tribe.
B. Island in the Sky
Island in the Sky is a high, scenic mesa district in southeastern Utah known for its expansive overlooks and dramatic views of the canyons carved by the Colorado and Green Rivers.
C. Grand Staircase
The Grand Staircase is an ornate central staircase within the Massachusetts State House, known for its impressive architecture and ceremonial significance.
D. Grand Staircase
The Grand Staircase is an ornate, ceremonial staircase within Mirabell Palace in Salzburg, renowned for its elegant baroque design and sculptural decoration.
E. Los Pinos
Los Pinos is the former official residence and offices of the President of Mexico, located in Mexico City’s Bosque de Chapultepec.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: the Alcatraz of the Rockies
Target entity description: The Alcatraz of the Rockies is the nickname for ADX Florence, the United States’ most secure federal “supermax” prison that houses some of the country’s most dangerous and high-profile inmates.

A. Snow Mountain Reservation
Snow Mountain Reservation is a Native American reservation in Nevada that serves as one of the primary land bases of the Las Vegas Paiute Tribe.
B. Island in the Sky
Island in the Sky is a high, scenic mesa district in southeastern Utah known for its expansive overlooks and dramatic views of the canyons carved by the Colorado and Green Rivers.
C. Grand Staircase
The Grand Staircase is an ornate central staircase within the Massachusetts State House, known for its impressive architecture and ceremonial significance.
D. Grand Staircase
The Grand Staircase is an ornate, ceremonial staircase within Mirabell Palace in Salzburg, renowned for its elegant baroque design and sculptural decoration.
E. Los Pinos
Los Pinos is the former official residence and offices of the President of Mexico, located in Mexico City’s Bosque de Chapultepec.
F. None of above. chosen

Statements (46)

Predicate	Object
instanceOf	federal prison ⓘ nickname ⓘ
abbreviation	USP Florence ADMAX ⓘ
alsoKnownAs	ADMAX Florence ⓘ linked to: ADX Florence Florence ADMAX ⓘ the Alcatraz of the Rockies ⓘ
cellType	single-occupancy cells ⓘ
comparisonTo	Alcatraz Federal Penitentiary ⓘ linked to: Alcatraz Island
country	United States ⓘ linked to: United States of America
designedFor	high-risk inmates ⓘ organized crime figures ⓘ terrorism-related offenders ⓘ violent offenders ⓘ
governingBody	Federal Bureau of Prisons ⓘ
hasNickname	the Alcatraz of the Rockies ⓘ
housingPolicy	long-term solitary confinement ⓘ
inmateDailyTimeInCell	about 23 hours ⓘ
inmateDailyTimeOutsideCell	about 1 hour ⓘ
inmateHousing	solitary confinement ⓘ
jurisdiction	federal ⓘ
locatedIn	Colorado ⓘ Florence, Colorado ⓘ United States ⓘ linked to: United States of America
location	Fremont County, Colorado ⓘ
managedBy	United States Department of Justice ⓘ
namedAfter	nearby city of Florence ⓘ
notableCharacteristic	extreme isolation of inmates ⓘ houses some of the most dangerous federal prisoners ⓘ
opened	1994 ⓘ
operatedBy	Federal Bureau of Prisons ⓘ
partOf	Federal Correctional Complex, Florence ⓘ linked to: United States Penitentiary, Florence ADX
purpose	incapacitation of high-risk inmates ⓘ protection of prison staff and public ⓘ
reasonForNickname	extreme security measures ⓘ reputation for inescapability ⓘ
refersTo	ADX Florence ⓘ
regionServed	United States federal prison system ⓘ
securityCategory	administrative maximum ⓘ
securityFeatures	armed guard towers ⓘ cameras ⓘ extensive electronic surveillance ⓘ motion detectors ⓘ perimeter razor wire fences ⓘ remote-controlled steel doors ⓘ
securityLevel	highest security ⓘ
typicalCellSize	approximately 7 by 12 feet ⓘ

How these facts were elicited

Referenced by (4)

Full triples — surface form annotated when it differs from this entity's canonical label.

United States Penitentiary, Florence ADX → alsoKnownAs → the Alcatraz of the Rockies ⓘ

USP Florence ADMAX → alsoKnownAs → the Alcatraz of the Rockies ⓘ

ADX Florence → alsoKnownAs → the Alcatraz of the Rockies ⓘ

subject linked to: the Alcatraz of the Rockies

ADX Florence → hasNickname → the Alcatraz of the Rockies ⓘ