Revision History for
USGS Scientific Investigations Map 3188 

V.E. Langenheim, R.C. Jachens, C.M. Wentworth,  and R.J. McLaughlin

Aeromagnetic and Aeromagnetic-based Geologic Maps of the Coastal Belt, Franciscan Complex, Northern California

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Revised and reposted May 15, 2017; version 1.1

1. Pamphlet was revised to add 12 previously missing entries to table 2. Added entries are for Map Numbers 31 to 40.

No changes were made to sheets 1, 2, or 3. 


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Revised and reposted February 10, 2012; version 1.0

1. Posted improved PDFs of sheets 1, 2, and 3

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Posted online February 3, 2012; version 1.0

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