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Water tank gravel plant at head of Hemenway Wash: photographic print, 1931
Archival Collection
Archival Component
Settling basin for purifying water: photographic print and negative, approximately 1931 to 1934
Archival Collection
Archival Component
View towards Railroad Pass: photographic print, approximately 1931 to 1934
Archival Collection
Archival Component
Rock formations in Colorado River area: photographic print, approximately 1930 to 1935
Archival Collection
Archival Component
Canyons and cliffs in Colorado River area: photographic print, approximately 1930 to 1935
Archival Collection
Archival Component
Broken rock in Colorado River area: photographic print, approximately 1930 to 1935
Archival Collection
Archival Component
Proposed dam site in Black Canyon: photographic print and slide , approximately 1930 to 1932
Archival Collection
Archival Component
Gauging station on Arizona side of dam site: photographic print, approximately 1930 to 1932
Archival Collection
Archival Component
Arizona side, gauging station for river depth: photographic print, approximately 1930 to 1932
Archival Collection
Archival Component
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