Filters: Tags: Wood chromite mine (X)

Filters Date Range Past year (0) Past month (0) Past week (0) Past day (0) Custom range... To   Search Contacts U.S. Geological Survey Bastin, Edward Sunderland Categories Image (2) Tag Types category (2) collection (2) Place (2) label (2) Tag Schemes http://www.sciencebase.gov/vocab/undefined/DenverHistoryPhotoLibrary/PhotoMedia (2) View Results as: JSON ATOM CSV

Photomicrograph of polished section of pitchblende ore from the Wood Mine, Quartz Hill. Gilpin County, Colorado. 1915. Photomicrograph of polished section of pitchblende ore from the Wood Mine, Quartz Hill, Gilpin County, Colorado; showing botryoidal forms characteristic of much of the pitchblende, Py marks pyrite. Plate 2-B, with graphics, in U.S. Geological Survey. Professional paper 90. 1915. Categories: Image; Tags: Bastin, E.S. Collection, Gilpin County, Colorado, Mills, Mines, Quarries, Photographers, Wood chromite mine, All tags... photo print, Fewer tags Wood Chromite mine, Octararo Creek. Lancaster County, Pennsylvania. 1921. Wood Chromite mine, Octararo Creek. Flooded to 25 feet of surface. Shadows of three men suggest size. Lancaster County, Pennsylvania. September 19, 1921. Categories: Image; Tags: Lancaster County, Pennsylvania, Mills, Mines, Quarries, Wood chromite mine, photo print