Text: Explanatory Data. Alturas Sheet. Index Map: Index to Geologic Mapping used in Compilation.

(Text Page) Explanatory Data. Alturas Sheet. Olaf P. Jenkins edition. Compiled by Thomas E. Gay, Jr. and Quintin A. Aune, 1958. (Index Map) Index to Geologic Mapping used in Compilation of the Alturas Sheet.

California Division of Mines and Geology

1958

1969

California Division of Mines and Geology

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