Text: Explanatory Data. San Diego - El Centro Sheet. Index Map: Index to Geologic Mapping used in Compilation.

(Text Page) Explanatory Data. San Diego - El Centro Sheet. Olaf P. Jenkins edition. Compiled by Rudolph G. Strand, 1962. (Index Map) Index to Geologic Mapping used in Compilation of the San Diego - El Centro Sheet.

California Division of Mines and Geology

1962

1969

California Division of Mines and Geology

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