Oregon-Washington Coastal

hydrologic subregion
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National Geochemical Database on Ore Deposits: Legacy data

Chemistry and geologic information for nearly 30,000 historic ore and ore-related rock samples from mineral deposits and mining districts in the United States. Data are provided in Microsoft Access and CSV formats.

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Update of the Mineral Resources Data System for California including Mineral Deposit Types

Improved information on deposit model (type) in records of this older USGS database describing sites that are located in California. Includes a list of additional deposit types needed to properly categorize the California locations. Data are provided in Microsoft Excel, CSV, and Esri personal geodatabase (Microsoft Access) formats.

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