Question: What part of the Assabet River National Wildlife Refuge was formerly used as a dumping ground by the Natick Laboratories until the 1980s?

full_context: Document 1: Quonset Point Air National Guard Station: Quonset Point Air National Guard Station is the home base of the Rhode Island Air National Guard 143d Airlift Wing. Naval Air Station Quonset Point was a United States Naval Base in Quonset Point, Rhode Island that was deactivated in 1974. Next to NAS Quonset Point was Camp Endicott at Davisville, home of the Naval Construction Battalions known as the Seabees. Quonset Point also gave its name to the Quonset hut, a standardized temporary structure used by the U.S. military starting in World War II. Former US President Richard M. Nixon went through basic naval officer training at Quonset Point in 1942.
Document 2: Assabet River National Wildlife Refuge: Assabet River National Wildlife Refuge, (formerly referred to as the U.S. Army's Fort Devens-Sudbury Training Annex), is a 2230 acre protected National Wildlife Refuge located approximately 25 mi west of Boston, and 4 mi west of the Eastern Massachusetts National Wildlife Refuge Complex Headquarters, along the Assabet River. It is located in portions of the Towns of Hudson, Maynard, Stow and Sudbury. The Assabet River National Wildlife Refuge consists of two separate pieces of land. The larger northern section is just north of Hudson Road, extending north to the Assabet River. The southern section is located to the south of Hudson Road. There is a visitor center located in the northern section, on Winterberry Way.
Document 3: Red River Army Depot: The Red River Army Depot (RRAD) is an 15835 acre facility located 18 mi west of Texarkana, Texas, in Bowie County. The facility has over 3000000 sqft of storage capacity. RRAD was activated in 1941 to create an ammunition storage facility. The depot was supposed to be deactivated after the findings of the 1995 Base Realignment and Closure Commission. However, the depot remained open after the commission changed its mind. The depot was once again slated for closure upon recommendation from the 2005 BRAC commission, but has remained open to provide maintenance support for the army. The depot's primary mission is the maintenance and repair of all tactical wheeled vehicles, which includes repairing MRAPs and HUMVEEs. Letterkenny Army Depot took over some of RRAD's missile systems.
Document 4: Camp Ravenna Joint Military Training Center: Camp Ravenna Joint Military Training Center, formerly known as the Ravenna Training and Logistics Site and the Ravenna Army Ammunition Plant (RVAAP) and commonly known as the Ravenna Arsenal, is an Ohio Army National Guard military base located between Ravenna and Newton Falls and adjacent to the village of Windham in the U.S. state of Ohio. Before its present status as a training facility for the Ohio National Guard, Camp Ravenna was a military ammunition production facility for the United States Army. As an arsenal, the facility was at peak operation during World War II and would serve as an ammunitions plant in various roles until 1992. Camp Ravenna remains an important part of the history and geography of Portage County, Ohio. The facility occupies portions of Freedom, Windham, Charlestown, and Paris townships in Portage County, along with part of Braceville Township in Trumbull County.
Document 5: Nantucket National Wildlife Refuge: Nantucket National Wildlife Refuge is a 24 acre range and was established in 1973 for its "particular value in carrying out the national migratory bird management program." The refuge, which is cooperatively managed with The Trustees of Reservations, encompasses 24 acre at Great Point. Nantucket National Wildlife Refuge is an un-staffed unit of the Eastern Massachusetts National Wildlife Refuge Complex. Nantucket National Wildlife Refuge consists of the Northeast tip of Nantucket, known as Great Point. The Refuge has been managed informally by TTOR several decades. TTOR owns the land immediately adjacent to Great Point, known as the Coskata-Coatue Wildlife Refuge. Great Point is known as one of the best surfcasting locations in New England because of the rip tide which brings bluefish and striped bass to the point. The Refuge is also a destination for hundreds of visitors each year seeking to enjoy a Nantucket beach or a tour of the Great Point Lighthouse. More information about the adjacent TTOR property is available on their website.
Document 6: Occoquan Bay National Wildlife Refuge: The Occoquan Bay National Wildlife Refuge is a National Wildlife Refuge located where the Occoquan River meets the Potomac River in Woodbridge, Virginia, United States. The 644 acre site, about half of which is wetlands, was a popular tourist spot known as Dawson Beach until the 1940s, after which it was used for military research by the U.S. Army's Harry Diamond Laboratories from the 1960s to the 1990s. When the land was purchased from the military, it was temporarily called the Marumsco National Wildlife Refuge. The refuge was formally established and renamed in 1998, and is now managed by the United States Fish and Wildlife Service as part of the Potomac River National Wildlife Refuge Complex.
Document 7: Seneca Army Depot: The former Seneca Army Depot occupied 10587 acre between Seneca Lake and Cayuga Lake in Seneca County, New York. It was used as a munitions storage and disposal facility by the United States Army from 1941 until the 1990s. The Depot was listed in the 1995 Base Realignment and Closure Commission and formally shut down in 2000. The property has since been transferred to the Seneca County Industrial Development Agency, which leases it to Seneca County Economic Development Corp.
Document 8: Featherstone National Wildlife Refuge: The Featherstone National Wildlife Refuge is a National Wildlife Refuge located along the Potomac River in Virginia, at the point where it meets Neabsco Creek. The 325 acre of tidal marsh has been administered by the United States Fish and Wildlife Service since 1970; currently, it is part of the Potomac River National Wildlife Refuge Complex. The refuge covers wetlands and woodlands, and has a railroad right-of-way bordering its western edge. It is currently closed to the public, but has been considered as a possible portion of the route for the Potomac Heritage National Scenic Trail.
Document 9: Two Brothers Rocks–Dudley Road Historic District: The Two Brothers Rocks–Dudley Road Historic District encompasses a historically significant rural area of Bedford and Billerica, Massachusetts. The district covers 230 acre of predominantly rural and residential property, along Dudley Street, a narrow, winding road that was laid out in colonial days. It also includes a significant amount of conservation land, including local, state, and federal lands. The federal lands of the Great Meadows National Wildlife Refuge which line the banks of the Concord River, include the "Two Brothers Rocks", which were used to mark a land boundary between grants given to early Massachusetts settlers John Winthrop and Thomas Dudley, and which featured as boundary markers into the 20th century.
Document 10: Pueblo Depot Activity: Pueblo Depot Activity "(PUDA)", formerly known as the Pueblo Ordnance Depot and the Pueblo Army Depot, was a U.S. Army ammunition storage and supply facility. Responsibility for the depot fell upon the U.S. Army Ordnance Corps, and the first civilians were hired in 1942 as operations began. The mission quickly expanded to include general supplies as well. It is a 24202 acre site located 14 mi east of Pueblo, Colorado. In 1945 they began to receive mass amounts of equipment returning from the combat theaters of World War II. Therefore, the mission expanded yet again to include the maintenance and refurbishing of artillery, fire control, and optical material. In 1951 the depot assumed responsibility to distribute U.S. Air Force ammunition for an eight-state area, as well as storage of strategic and critical materials for the General Services Administration (GSA). They were also tasked to rebuild and provide on-site maintenance support for guided missiles, ensure calibration and maintenance of electronic test equipment and radio-controlled aerial targets. They would also provide specialized training for new Army equipment as needed. In 1952, Rocky Mountain Arsenal in Denver, Colorado transferred chemical agents and chemical munitions to Pueblo Army Depot for secure storage. In 1974 Pueblo Army Depot was redesignated as Pueblo Depot Activity.
Document 11: Arlington's Great Meadows: Arlington's Great Meadows is a 183-acre meadow located adjacent to the Minuteman Bikeway in Lexington, Massachusetts. The meadow was once the site of a dairy farm and was also used to graze livestock and harvest crops. In 1871, Great Meadows was acquired by the town of Arlington, Massachusetts for use as a water storage area for the Mystic River. After being drained in the early 20th century, it turned into a protected area for wildlife. To this day, it also serves as a popular recreational area and an important piece in local flood control in addition to remaining a protected area.
Document 12: Rūdininkai training ground: Rūdininkai or Rūdninkai airbase is a former Soviet airbase in Lithuania located 36 km southwest of Vilnius and only 16 km from the border with Belarus. It is surrounded by Rūdininkai Forest, the fifth largest forest in Lithuania. It was part of a larger training complex encompassing about 100 km2 . Bomber pilots from various Soviet republics were trained to accurately bombard rows of obsolete military equipment, cars, tanks, even airplanes. Various explosives, usually air-dropped bombs weighing 50 - , are still found in the abandoned facility. The largest bomb, detonated in 2007, weighed 3000 kg . Rūdininkai airbase is the largest territory of 222 areas in Lithuania, covering the total of 250 km2 , that are still contaminated by old explosives.
Document 13: Wynn Boston Harbor: Wynn Boston Harbor, previously referred to as the Wynn Everett project, is a luxury resort and casino that is under construction in Everett, Massachusetts and developed by Wynn Resorts. The resort borders the City of Boston and is approximately five miles from Boston’s Logan International Airport and financial district. Described by Wynn Resorts as "the largest private single-phase construction project in the history of the Commonwealth of Massachusetts," the development is located on a 33-acre parcel of land previously used for industrial purposes along the Mystic River. It is expected to open in 2019 at a total cost of $2.4 billion. After a remediation process to clean the site, Wynn Resorts has begun constructing an integrated resort with a hotel, a harborwalk, restaurants, a casino, spa, retail outlets, and meeting and convention space. Public amenities of the year-round harborwalk will include a picnic park, paths for bikers and pedestrians, viewing decks, waterfront dining and retail, a performance lawn, floral displays, and boat docks.
Document 14: Savanna Army Depot: Savanna Army Depot was a 13062 acre installation, located on the eastern bank of the Mississippi River, in Carroll and Jo Daviess counties, around 7 mi north of Savanna, Illinois. It was opened in 1917 as a proving and testing facility for weapons developed at Rock Island Arsenal. In 1921 it became a weapons depot. The U.S. Environmental Protection Agency (EPA) listed the depot as a Superfund site in 1989. The depot was selected for closure through the Base Realignment and Closure process in July 1995 and was officially closed on March 18, 2000. The Jo-Carroll Local Redevelopment Authority (LRA) was established to redevelop a portion of the property for commercial and business usage referred to as the Savanna Depot Park. On September 26, 2003, the United States Department of Defense agreed to transfer 9404 acre of land to become the Lost Mound Unit of the Upper Mississippi River National Wildlife and Fish Refuge. 3022 acre were initially transferred with the rest to be transferred following environmental cleanup. The portion near Lock and Dam No. 12 was transferred to the United States Army Corps of Engineers and a small part to the Illinois Department of Natural Resources.
Document 15: Fort Devens-Sudbury Training Annex: The Fort Devens-Sudbury Training Annex was a former annex of Fort Devens that was operational from 1942 to the 1990s. It originally opened as an ammunition dump for the base, and old railroad lines and bunkers can still be seen in the area. It then functioned as a dumping ground for the Natick Laboratories until the 1980s. In the 1990s, the site was cleaned up and turned into the Assabet River National Wildlife Refuge.
ground_truth: Fort Devens-Sudbury Training Annex