Search for exactly "Virgin River Basin"

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Map of proposed flood control project on the Virgin River in Clark County, Nevada, March,... 'Map no. 7 to accompany report on flood control survey. Made by Graham S. Quate. March 1934. Drawn by T.K.' Scale [ca. 1:15, 600. 1 in.=approx. 1,300 feet]. Relief shown by hachures. North oriented to upper right corner. Library's copy...
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Topographic map of area near Virgin River south of St. Thomas, Nevada, 1936 Scale [ca. 1:110,880. 1 in. to approx. 1.75 miles]. 'Bull. Geol. Soc. Am., Vol. 47. Longwell Pl. 4.' Published as plate 4 of Longwell's Geology of the Boulder Reservoir floor, Arizona-Nevada.

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