Filters: Tags: Polk County 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 Laney, F.B. Categories Image (2) Tag Types Place (2) category (2) collection (2) label (2) Tag Schemes http://www.sciencebase.gov/vocab/undefined/DenverHistoryPhotoLibrary/PhotoMedia (2) View Results as: JSON ATOM CSV

Recent erosion in the Ducktown district, a short distance west of the Polk County mine. Polk County, Tennessee. 1912. Recent erosion in the Ducktown district, a short distance west of the Polk County mine. Photo by F.B. Laney. Polk County, Tennessee. 1912. Plate 3-A in U.S. Geological Survey. Professional paper 139. 1926. Categories: Image; Tags: Mills, Mines, Quarries, Polk County mine, Polk County, Tennessee, photo print Metamorphic rocks of the Ducktown quadrangle near the Polk County mine. Polk County, Tennessee. 1912. Metamorphic rocks of the Ducktown quadrangle: curved bodies of pseudodiorite in graywacke near the Polk County mine. Polk County, Tennessee. 1912. Plate 7-C in U.S. Geological Survey. Professional paper 139. 1926. Categories: Image; Tags: Mills, Mines, Quarries, Polk County mine, Polk County, Tennessee, photo print