A U.S. Army Corps of Engineers map of the Anacostica River Watershed, highlighting major tributaries and their drainage basins.
U.S. Army Corps of Engineers
<a rel="nofollow" class="external free" href="http://www.nab.usace.army.mil/portals/63/docs/Environmental/Anacostia/Anacostia2.pdf">http://www.nab.usace.army.mil/portals/63/docs/Environmental/Anacostia/Anacostia2.pdf</a>