A History of Erosion in the Anacostia Drainage Basin ...

54th Congress alluvium Anacostia Bridge Anacostia River Appendix average width bank BASIN AREA Benning Bridge Benning to Poplar Berwyn Bladens Bladensburg Bladensburg to Benning cause channel clay brown clay brown clay Coastal Plain Colmar Manor cubic feet cultivated Deanwood deep deforested deposits depth dredged east elevation eroded erosion feet above sea feet in tidal FIGURE flood plain flora flow fluvial discharge foot formation Hains Hains Point headwaters hundred feet Hyattsville inches increased island junction land Lower Cretaceous maps Maryland materials mature stream mean range meanders miles million cubic feet mouth Munson Avenue navigable Northeast Northwest Branch Pamlico plants Pleistocene Pleistocene Age Poplar Point Potomac River Prince George's County Queen's Chapel Road range of tide rejuvenated river bottom runoff sand and gravel sandy clay sea level sediment Shaw's Lily Ponds shows silt slope square feet swamps terrace tidal compartment tidal prism trees tributary unconsolidated valley Washington Academy