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Lithologic Logs in the Glaciated Conterminous United States

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: September 10, 2026 at 10:17 PM | Dataset Last Updated: August 14, 2020 at 12:00 AM
The Lithologic Logs dataset includes state well records, and the well logs were standardized so that the lithologic information used a consistent terminology by Bayless and others (2017). The dataset contains 1,565,051 records, of which 746,568 are for wells that are used for withdrawing water.

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