000 00701nam a2200133Ia 4500
008 171212s9999 xx 000 0 und d
020 _a9780874216608
100 _aBoyer, Diane E;Webb, Robert H.
245 _cBoyer, Diane E;Webb, Robert H.
_aDamming Grand Canyon
_bThe 1923 USGS Colorado River Expedition
260 _bUniversity Press of Colorado
_c2007
650 _aGrand 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
650 _aHistory
856 _uwww.jstor.org/stable/10.2307/j.ctt4cgqhx
999 _c353052
_d353052