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The Patapsco is a river in central Maryland which flows into the Chesapeake Bay in Baltimore, Maryland. With its South Branch, it forms the northern border of Howard County, Maryland. Image File history File links No higher resolution available. ...
For other uses, see River (disambiguation). ...
Official language(s) None (English, de facto) Capital Annapolis Largest city Baltimore Area Ranked 42nd - Total 12,407 sq mi (32,133 km²) - Width 101 miles (145 km) - Length 249 miles (400 km) - % water 21 - Latitude 37° 53′ N to 39° 43′ N - Longitude 75° 03′ W to 79° 29...
The Chesapeake Bay - Landsat photo The Chesapeake Bay where the Susquehanna River empties into it. ...
Baltimore redirects here. ...
Howard County is a county located in the central part of the U.S. state of Maryland, between Baltimore and Washington, D.C.. It is considered part of the Baltimore-Washington Metropolitan Area. ...
Geography
 The Patapsco proper begins at the confluence of the North and South Branches, near Marriottsville, approximately 50 miles (80 km) inland. The South Branch rises further west at Parrs Spring, where Howard, Carroll, Frederick, and Montgomery counties meet. The North Branch flows southward from its origins in Carroll County. Through most of its length, the Patapsco is a minor river, flowing for the most part through a narrow valley. The last 10 miles (16 km) form a large tidal estuary inlet of Chesapeake Bay. The inner part of this estuary provides the harbor of Baltimore, composed of the Northwest Harbor and the Middle Branch. (See Baltimore Inner Harbor.) Image File history File links Size of this preview: 800 × 600 pixelsFull resolution (1000 × 750 pixel, file size: 865 KB, MIME type: image/jpeg) File historyClick on a date/time to view the file as it appeared at that time. ...
Carroll County is a county located in the U.S. state of Maryland. ...
Frederick County is located in the western part of the U.S. state of Maryland, bordering the southern border of Pennsylvania and the northeastern border of Virginia. ...
Montgomery County of the U.S. state of Maryland is situated just north of Washington, D.C. and Southwest of Baltimore. ...
This article is about tides in the ocean. ...
For other meanings, see Estuary (disambiguation) Rio de la Plata estuary An estuary is a semi-enclosed coastal body of water with one or more rivers or streams flowing into it, and with a free connection to the open sea. ...
The Chesapeake Bay - Landsat photo The Chesapeake Bay where the Susquehanna River empties into it. ...
For other uses, see Harbor (disambiguation). ...
Baltimore redirects here. ...
The Inner Harbor of Baltimore, United States, is a historic seaport, tourist attraction and iconic landmark of the city. ...
The Patapsco has a watershed area (including the water surface) of 680 square miles (1,760 km²), or 632 square miles (1,637 km²) of land. Thus, its total watershed area is 7% water.
Patapsco Valley State Park is adjacent to 32 miles (51 km) of the Patapsco, encompassing a total of 14,000 acres (57 km²) in five different areas. Liberty Dam and its reservoir, located on the north fork, is a major component of the Baltimore city water system. Besides Baltimore, the river also flows through Ellicott City (the county seat of Howard County) and Elkridge. Main Street, Ellicott City Ellicott City is an unincorporated community and census-designated place in Howard County, Maryland, United States. ...
Elkridge is a census-designated place located in Howard County, Maryland. ...
History On the 1612 John Smith map, it was called the Bolus River. It has never been a major path of commerce since it is not navigable further upstream than Elkridge. However, the Patapsco valley was used as the route of the Baltimore and Ohio Railroad's original main line west constructed from 1829 onwards (see Old Main Line (Baltimore and Ohio Railroad)), and this route remains, though much altered. Many old rail bridges lie along the valley, most notably the Thomas Viaduct and the ruins of the Patterson Viaduct. Flour mills and a hydropower dam were formerly powered by the river. Statue at Jamestown VA, photo Aug 2007 John Smith (1580–June 21, 1631), was an English soldier, sailor, and author. ...
The Baltimore and Ohio Railroad (B&O) was one of the oldest railroads in the United States, with an original line from the port of Baltimore, Maryland, west to the Ohio River at Wheeling and Parkersburg, West Virginia. ...
The Old Main Line of the Baltimore and Ohio Railroad (now part of CSX) is one of the oldest railroad lines in the United States. ...
Thomas Viaduct, 1970 The Thomas Viaduct, originally nicknamed Latrobes Folly, spans the Patapsco River between Relay and Elkridge, Maryland. ...
Patterson Viaduct Ruins, 1970 The Patterson Viaduct, heavily damaged by a flood in 1868, spanned the Patapsco River at Ilchester, Maryland. ...
The Bloede Dam is an inactive hydroelectric dam on the Patapsco River in Maryland, just west of Elkridge. ...
The valley is prone to flooding, though at long intervals. The most recent severe flood occurred in 1972 as a result of rainfall from the remnants of Hurricane Agnes, in which Ellicott City and the B&O rail line sustained serious damage. Hurricane Agnes was the first tropical storm and first hurricane of 1972 Atlantic hurricane season. ...
The Patapsco River is home to the Baltimore Rowing Club. The Baltimore Rowing Club is a rowing club located in Baltimore, Maryland. ...
References Wikimedia Commons has media related to: Patapsco Valley State Park Image File history File links Commons-logo. ...
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