1926 USGS Map

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1926 USGS Map

1926 USGS Map

Back in 1926, the US Gov wanted to put a big dam across the gap between Arch and Guardian, at the upper entrace to Boulder Canyon. The dam was actually built in Black Canyon, 8 miles downstream, and is now called Hoover Dam.
MoapaPk
on Feb 4, 2008 12:39 pm
Lat/Lon: 36.13525°N / 114.5589°W
Image Type(s): Informational
Image ID: 378221

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