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Geologic map of the Abiathar Peak quadrangle, Yellowstone National Park, Wyoming and Montana
Abiathar Peak quadrangle, Yellowstone National Park, Wyoming and Montana
1 map : color ; 45 x 32 cm., on sheet 64 x 83 cm., folded in envelope 30 x 24 cm.
by H.J. Prostka, E.T. Ruppel, and R.L. Christiansen.
"Contour interval 80 feet. Dashed line represents 40-foot contours. Datum is mean sea level."
Includes "Index map of Yellowstone National Park showing location of 15-minute quadrangles and major structural features", a cross section and legend.