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Filters: Tags: geologic age (X) > partyWithName: Steve Ludington (X)

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These digital maps are a reformulation of previously published maps, primarily maps of states. The reformulation gives all the maps the same structure and format, allowing them to be combined into regional maps. The associated data tables have information about age and lithology of the map units, also in a standard format.


    map background search result map search result map Preliminary integrated geologic databases for the United States - Western States: California, Nevada, Arizona, and Washington Preliminary integrated geologic databases for the United States - Western States: California, Nevada, Arizona, and Washington