Revision History for U.S. Geological Survey Scientific Investigations Report 2021-5129

By Geoffrey Cromwell and Jonathan Matti

Geology and Hydrogeology of the Yucaipa Groundwater Subbasin, San Bernardino and Riverside Counties, California

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Posted online January 19, 2022

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Revised and reposted May 18, 2022 (Version 1.1)

Added missing figure 4C to page 10.