English: Shows the major changes in hydrology of Mt. Saint Helens after its 1980 eruption, including artificial modifications designed to mitigate sediment and water flow.
Location: 46.289797 , -122.35405
Contours are at 200 foot intervals.
Orthoimagery and contour data are from the USGS and National Map catalog.
Surface structures are sourced from USGS orthoimagery and tunnels and physical features are derived from USGS topographic maps.
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
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.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.