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Antietam Creek (/ æ n ˈ t iː t əm /) is a 41.7-mile-long (67.1 km) [1] tributary of the Potomac River located in south central Pennsylvania and western Maryland in the United States, a region known as the Hagerstown Valley.
In the study of mechanisms, a four-bar linkage, also called a four-bar, is the simplest closed-chain movable linkage. It consists of four bodies, called bars or links, connected in a loop by four joints. Generally, the joints are configured so the links move in parallel planes, and the assembly is called a planar four-bar linkage. Spherical and ...
Anacostia River (District of Columbia/Maryland) Four Mile Run (Virginia) Oxon Creek (District of Columbia/Maryland) Hunting Creek (Virginia) Broad Creek (Maryland) Henson Creek (Maryland) Swan Creek (Maryland) Piscataway Creek (Maryland) Little Hunting Creek (Virginia) Dogue Creek (Virginia) Accotink Creek (Virginia) Pohick Creek (Virginia ...
The average daily flow during the water years 1931–2018 was 11,498 cubic feet (325.6 m 3) /s. [2] The highest average daily flow ever recorded on the Potomac at Little Falls, Maryland (near Washington, D.C.), was in March 1936 when it reached 426,000 cubic feet (12,100 m 3) /s. [2]
The Baltimore & Ohio Railroad Bridge, Antietam Creek was a timber trestle bridge near Keedysville, Washington County, Maryland, United States. It carried the Washington County branch of the Baltimore and Ohio Railroad , later part of CSX Transportation , over the ravine formed by the Antietam Creek northwest of Keedysville.
The Monocacy Aqueduct — or C&O Canal Aqueduct No. 2 — is the largest aqueduct on the Chesapeake and Ohio Canal, crossing the Monocacy River just before it empties into the Potomac River in Frederick County, Maryland, USA. The 438 foot (133.5 m) aqueduct was built by three separate contractors between 1829 and 1833 at a cost of US$127,900.
Conococheague Creek, a tributary of the Potomac River, is a free-flowing stream that originates in Pennsylvania and empties into the Potomac River near Williamsport, Maryland. It is 80 miles (129 km) in length, [ 1 ] with 57 miles (92 km) in Pennsylvania and 23 miles (37 km) in Maryland.
Population in the Rockville city limits (of which only a portion is in the Watts Branch watershed) more than doubled between 1960 and 2010, from approximately 26,000 to 61,000. [4] These development trends have led to degraded water quality due to stormwater pollution in some portions of the Watts Branch mainstem and tributaries.