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Geologic maps of the Ishi, Mill Creek, Polk Springs, and Butt Mountain Further Planning areas, Tehama and Plumas Counties, California
Ishi, Mill Creek, Polk Springs, Butt Mountain Further Planning areas, Tehama and Plumas Counties, California
Geologic maps of the Ishi, Mill Creek, Polk Springs, and Butt Mountain Further Planning areas, Calif
2 maps on 1 sheet ; 61 x 56 cm. and 23 x 29 cm., sheet 104 x 88 cm., folded in envelope 25 x 32 cm.
by Jocelyn A. Peterson [and others] ; Department of the Interior, United States Geological Survey.
Relief shown by contours and spot heights.
Miscellaneous field studies ; map MF-1340-A