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Image: Bulletin 798 Plate4A Grand Wash

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Bulletin_798_Plate4A_Grand_Wash.jpg(626 × 359 pixels, file size: 52 KB, MIME type: image/jpeg)

Description: View west across Grand Wash, Nevada. Southern block of Virgin Mountains in background; dissected Quaternary and Pliocene (?) deposits on floor of valley. Basalt lava forms the dark areas west of the wash.
Title: Bulletin 798 Plate4A Grand Wash
Credit: U.S. Geological Survey Bulletin 798, Geology of the Muddy Mountains, Nevada, with a section through the Virgin Range to the Grand Wash Cliffs, Arizona. By Chester R. Longwell. 1928. U.S. Government Printing Office, 152 p. ill., col. map (fold.); 23 cm. web version
Author: USGS
Usage Terms: Public domain
License: Public domain
Attribution Required?: No

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