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Filters: Types: OGC WFS Layer (X) > partyWithName: George Billingsley (X) > partyWithName: National Cooperative Geologic Mapping Program (X)

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The Grand Canyon geologic field photograph collection contains 1,211 geotagged photographs collected during 43 years of geologic mapping from 1967 to 2010. The photographs document some key geologic features, structures, and rock unit relations that were used to compile nine geologic maps of the Grand Canyon region published at 1:100,000 scale, and many more maps published at 1:24,000 scale. Metadata for each photograph include description, date captured, coordinates, and a keyword system that places each photograph in one or more of the following categories: arches and windows, breccia pipes and collapse structures, faults and folds, igneous rocks, landslides and rockfalls, metamorphic rocks, sedimentary rocks,...

    map background search result map search result map Geologic and Related Photographs of the Grand Canyon Region (1967–2010) Geologic and Related Photographs of the Grand Canyon Region (1967–2010)