Filters: Types: Map Service (X) > Tags: {"scheme":"http://www.sciencebase.gov/vocab/undefined/DenverHistoryPhotoLibrary/Categories"} (X) > Date Range: {"choice":"day"} (X)

Filters Date Types (for Date Range) Types OGC WFS Layer (2) OGC WMS Layer (2) OGC WMS Service (2) Contacts U.S. Geological Survey Bastin, Edward Sunderland Hunt, Charles Butler Categories Image (2) Tag Types category (2) Tags (with Scheme=http://www.sciencebase.gov/vocab/undefined/DenverHistoryPhotoLibrary/Categories) national parks (1) specimens (1) View Results as: JSON ATOM CSV

Thin-bedded middle member of the Bonanza King Formation on the north side of Trail Canyon. Death Valley National Park, California. Circa 1960. Death Valley National Park, California. Thin-bedded middle member of the Bonanza King Formation on the north side of Trail Canyon. View is north. This member, about 600 feet thick, forms a distinctive unit separating massive thick-bedded dolomite comprising the upper and lower members of the formation. Circa 1960. Figure 22, U.S. Geological Survey Professional Paper 494-A. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Death Valley National Park, Death Valley National Park, California, Hunt, C.B. Collection, National Parks, Photographers, All tags... photo print, Fewer tags Specimens showing injection gneiss formed by intimate intrusion of quartz biotite schist of the Idaho Springs formation by granite pegmatite. Gilpin County, Colorado. Circa 1911. Specimens showing injection gneiss formed by intimate intrusion of quartz biotite schist of the Idaho Springs formation by granite pegmatite; taken from dump of Golden Rod tunnel, Silver Creek. Gilpin County, Colorado. Circa 1911. Plate 10-B, natural size, in U.S. Geological Survey Professional Paper 94. 1917. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Bastin, E.S. Collection, Gilpin County, Colorado, Photographers, Specimens, photo print