LAMB SPRING ARCHAEOLOGICAL PRESERVE

HIGHLANDS RANCH, CO

Lamb Spring Archaeological Preserve is a protected archaeological site located in Highlands Ranch, Colorado. The site is one of the oldest and most important archaeological sites in Colorado. It was discovered in 1969, and is estimated to be between 8,000 and 10,000 years old. The site consists of several stone circles, a cobble circle, and a series of shallow pits that were used for a variety of activities by early inhabitants.

The site has been the subject of ongoing archaeological research. Excavations have revealed a variety of artifacts, including stone tools, animal bones, and charred remains of plants. These artifacts provide evidence of the ancient people's use of the area for food gathering and toolmaking.

The Lamb Spring site is now a nature preserve and is managed by the Denver Museum of Nature and Science. It is open to the public for educational and research purposes. Visitors can explore the area on trails, take guided tours, and learn about the site's history.

The preserve is a popular destination for school field trips, and offers a variety of educational activities such as bird watching, geocaching, and star gazing. The site is also used for archaeological events and research.

Lamb Spring Archaeological Preserve is a valuable educational resource that helps to preserve Colorado's archaeological heritage and provides visitors with an opportunity to learn about the state's past.

LAMB SPRING ARCHAEOLOGICAL PRESERVE is a Zoos, Aquariums, & Wildlife Conservation in HIGHLANDS RANCH CO. US MID #8400800186

The museum is classed as ZAW (Zoos, Aquariums, & Wildlife Conservation). It comes under American Alliance of Museums (AAM) region: Mount Plains (Colorado, Kansas, Montana, North Dakota, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, Wyoming).

BA53 Nuclear Bomb Wings Over the Rockies Air and Space Museum

*The BA53 variant without fins was meant for internal carry in the bomb pod on the B-58 Hustler

B53 Nuclear Bomb
The Mk/B53 was a high-yield bunker buster thermonuclear weapon developed by the United States during the Cold War. Deployed on Strategic Air Command bombers, the B53, with a yield of 9 megatons, was the most powerful weapon in the U.S. nuclear arsenal after the last B41 nuclear bombs were retired in 1976.

The B53 was the basis of the W-53 warhead carried by the Titan II Missile, which was decommissioned in 1987. Although not in active service for many years before 2010, fifty B53s were retained during that time as part of the &quot;Hedge&quot; portion of the Enduring Stockpile until its complete dismantling in 2011. The last B53 was disassembled on 25 October 2011, a year ahead of schedule.

With its retirement, the largest bomb currently in service in the U.S. nuclear arsenal is the B83, with a maximum yield of 1.2 megatons. The B53 was replaced in the bunker-busting role by a variant of the two-stage B61 nuclear bomb.

B53
Type: Nuclear weapon
Place of origin: United States

Service history
In service: 1962-1997

Production history
Designer: LANL
Designed: 1958-1961
Manufacturer: Atomic Energy Commission
Produced: 1961-1965
Number built: about 340

Specifications
Weight: 8,850 lb (4,010 kg)
Length: 12 ft 4 in (3.76 m)
Diameter: 50 in (4.2 ft; 1.3 m)

Filling
Fission: 100% oralloy
Fusion: Lithium-6 and deuteride

Blast yield: 9 megatons

B28RE Nuclear Bomb Wings Over the Rockies Air and Space Museum

Mk28/B28RE
Hydrogen Bomb

The Mk28 hydrogen bomb, although first produced in 1958, remained an active item until 1991. It was designed to be carried by various fighter and bomber aircraft (F-100, F-104, F-105, B-47, B-52, and B-66). This weapon is capable of a ground or air burst and may be carried internally or externally, with a free-fall or parachute retarded drop, depending upon its configuration.

The W28 small diameter, light weight thermonuclear warhead in Mk28 became the most versatile and widely used design ever adopted by the United States. This tactical and strategic thermonuclear bomb had the longest US service duration (33 years) and 2nd largest production run of any U.S. weapon design with over 4500 produced. The last weapons were retired from the U.S. arsenal in 1991.

The Mk-28 employed the &quot;Building Block&quot; principle, permitting various combinations of components to be combined:

B28EX -Carried externally by F-100, F-105, and F-4; no parachute.
B28RE - Carried externally; equipped with one 4-ft. pilot chute and one 28 ft. ribbon chute.
B28IN - Carried internally by B-52 and F-105; no parachute.
B28RI - Carried internally; equipped with one 4-ft. pilot parachute, one 16.5-ft. ribbon extraction chute, one 64-ft. solid chute, and one 30-in. stabilization chute.
B28FI - Carried internally; equipped with one 4-ft. pilot chute, one 16-ft. and one 24-ft. chute.

This Mk28RE was used at Lowry to teach students how to load and unload the weapon on different types of aircraft. It is displayed underneath the F-100 Super Sabre, one of the primary aircraft used as a delivery system.

Specifications
Length: 96-170 inches
Diameter: 20 or 22 inches
Weight: 1,700 -2,320 pounds
Yield: Low kiloton to low megaton range

B43 Nuclear Bomb Wings Over the Rockies Air and Space Museum

For more than twenty years the B43 was the United States' air-dropped nuclear weapon used by a wide variety of aircraft. The weapon was developed in 1956 by Los Alamos National Laboratory, entering service in April 1961. Total production was 2,000 weapons, ending in 1965.

The B43 was built in three variants: Mod 0, Mod 1, and Mod 2, each with five yield options. Explosive yields varied from 70 kilotons of TNT to 1 megaton of TNT. The B-43 could be delivered at altitudes as low as 300 ft, with fusing options for air burst, ground burst, free fall, contact, or laydown delivery - a mode of deploying a free-fall nuclear weapon in which the bomb's fall is slowed by parachute so that it actually lands on the ground before detonating.

Aircraft that could carry the weapon included most USAF, USN and USMC fighters, bombers and attack aircraft, including the A-3 Skywarrior, A-4 Skyhawk, A-5 Vigilante, A-6 Intruder, A-7 Corsair II, B-47 Stratojet, B-52 Stratofortress, F-100 Super Saber, F-105 Thunderchief, F-4 Phantom Il, F-111 Aardvark, FB-111A, F-15E Strike Eagle, F-16 Fighting Falcon, and the F/A-18 Hornet. The B-1B Lancer was also intended to carry the B43 prior to the B-1's reassignment to conventional strike roles. The B43 was also supplied to Great Britain.

The B43 was never used in anger, but it was involved in a nuclear accident when an A-4 Skyhawk of the USS Ticonderoga from Attack Squadron VA-56 was lost off the coast of Japan on 5 December 1965. The aircraft, the pilot, and the bomb were never found.

The B43 was phased out in the 1980s, and the last B43 weapons were retired in 1991 in favor of the newer B61 and B83 weapons.

The upper weapon was used by Explosive Ordnance Disposal (EOD) teams to practice their skills on, while the lower weapon was used by aircraft ground crews to practice loading the weapon on various aircraft. The &quot;spike&quot; on the end of the weapon buried itself in the ground and kept the unit from being dragged by its parachute when the target was small and needed precision accuracy.

Specifications
Weight: 2125 pounds
Length: 13 feet, 8 inches
Diameter: 18 inches
Yield: 70 Kilotons to 1 Megaton

Contact LAMB SPRING ARCHAEOLOGICAL PRESERVE

LAMB SPRING ARCHAEOLOGICAL PRESERVE
1805 SHEA CENTER DRIVE 210
HIGHLANDS RANCH
CO
80129-2253

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LAMB SPRING ARCHAEOLOGICAL PRESERVE Information

MID #	8400800186
Name	LAMB SPRING ARCHAEOLOGICAL PRESERVE
Alternate Name
Classification	Zoos, Aquariums, & Wildlife Conservation, , Mount Plains
Federal Employer Identification Number (EIN)	205887108
NTEECC	A56
Tax period of the latest return filed (YYYYMM)	201212
INCOME	0
REVENUE	0
LAT/LONG	39.553423, -105.009644
CODES	FIPS State Code: 08 FIPS County Code: 035 US Census Tract: 014131 US Census Block: 3016