Damming Grand Canyon
Boyer, Diane E;Webb, Robert H.
Damming Grand Canyon The 1923 USGS Colorado River Expedition Boyer, Diane E;Webb, Robert H. - University Press of Colorado 2007
9780874216608
Grand Canyon (Ariz.) -- Description and travel; Colorado River (Colo.-Mexico) -- Description and travel; Geological Survey (U.S.) -- History -- 20th century; Geological Survey (U.S.) -- Biography; River surveys -- Colorado River (Colo.-Mexico) -- History
History
Damming Grand Canyon The 1923 USGS Colorado River Expedition Boyer, Diane E;Webb, Robert H. - University Press of Colorado 2007
9780874216608
Grand Canyon (Ariz.) -- Description and travel; Colorado River (Colo.-Mexico) -- Description and travel; Geological Survey (U.S.) -- History -- 20th century; Geological Survey (U.S.) -- Biography; River surveys -- Colorado River (Colo.-Mexico) -- History
History