DescriptionNorthwest branch fall line 20201024 091652 1 crop.jpg
English: Here is where the Northwest Branch (of the Anacostia River) crosses the fall line separating the Piedmont and the Atlantic coastal plain. There are lots of large boulders and small waterfalls/cascades here.
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
https://creativecommons.org/licenses/by/3.0CC BY 3.0 Creative Commons Attribution 3.0 truetrue