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Surficial geologic map of the west Yellowstone quadrangle, Yellowstone National Park and adjoining area, Montana, Wyoming, and Idaho
1 map : color ; 45 x 33 cm., on sheet 82 x 89 cm., folded in envelope 30 x 24 cm.
by H.A. Waldrop ; Department of the Interior, United States Geological Survey.
Relief shown by contours and spot heights.
Ancilary map: Map of west Yellowstone quadrangle showing distribution of Quaternary rhyolite flows.
Miscellaneous geologic investigations ; map I-648