David Thoma
National Park ServiceZion National Park
Springdale, UT
USA 84767
Email: Dave_Thoma@nps.gov
Papers:
43-9 Climate and Channel Modifications as Probable Causes for Increased Sedimentation in Lake Pepin.
Papers:
43-9 Climate and Channel Modifications as Probable Causes for Increased Sedimentation in Lake Pepin.