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It was created when the Sudbury Dam was constructed to impound the Stony Brook branch of the Sudbury River; no part of the reservoir lies in the town of Sudbury. Nearly 5,000 acres (2,000 ha) in the Sudbury Reservoir watershed are administered by the Massachusetts Department of Conservation and Recreation as a limited-access public recreation area.
Aerial survey is a method of collecting geomatics or other imagery data using airplanes, helicopters, UAVs, balloons, or other aerial methods. Typical data collected includes aerial photography , Lidar , remote sensing (using various visible and invisible bands of the electromagnetic spectrum , such as infrared , gamma , or ultraviolet ) and ...
Sudbury in 1856. According to the United States Census Bureau, the town has a total area of 24.6 square miles (64 km 2), of which 24.4 square miles (63 km 2) is land and 0.3 square miles (0.78 km 2), or 1.06%, is water.
Sudbury Dam was built in 1894 to impound the Stony Brook branch of the Sudbury River. It has a large earthen embankment 1,800 feet (550 m) in length, and a concrete core wall with a spillway 300 feet (91 m) wide. There is a gate chamber, designed by Wheelwright & Haven, located on the dam north of the spillway.
The Assabet River National Wildlife Refuge (ARNWR; formerly referred to as the U.S. Army's Fort Devens-Sudbury Training Annex) is a 2,230-acre (9.0 km 2) protected National Wildlife Refuge located approximately 25 miles (40 km) west of Boston and 4 miles (6.4 km) west of the Eastern Massachusetts National Wildlife Refuge Complex Headquarters, along the Assabet River.
Get the Sudbury, MA local weather forecast by the hour and the next 10 days.
The dam and spillway were built in Ashland, a rural outer suburb west of Boston, in 1885 as one of the later elements of Boston's second major water supply system. This system impounded large sections of the Sudbury River, primarily in Framingham, from where the water was piped toward Boston via the Sudbury Aqueduct. Water impounded by the ...
The sensitivity usually depends on the optical system, detectors and filters used. For each photometric system a set of primary standard stars is provided. A commonly adopted standardized photometric system is the Johnson-Morgan or UBV photometric system (1953). At present, there are more than 200 photometric systems. [citation needed]