Filters: Tags: Professional Papers (X) > partyWithName: U.S. Geological Survey (X) > partyWithName: Alden, William Clinton (X)

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Quarry one mile west of Elmhurst where Devonian fossils were found. 1901. The small triangular mass in left center of the picture, to the left of the geologic hammer, is filled with Devonian fossils. Categories: Image; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Alden, W.C. Collection, Photographers, Professional Papers, photo print Water worn quartzite Pebbles in Oligocene (?) gravel, capping Cypress Hills. Alberta, Canada. Water worn quartzite Pebbles in Oligocene (?) gravel, capping Cypress Hills. Alberta, Canada. August 4, 1920. Plate 3-B, U.S. Geological Survey Professional paper 174. 1932. Categories: Image; Tags: Alden, W.C. Collection, Canada Professional Paper 174, Photographers, Professional Papers, photo print Surface of dune, Dune Park, showing "resurrected forest" and destruction of the reforested growth by moving sand. Surface of dune, Dune Park, showing "resurrected forest" and destruction of the reforested growth by moving sand. Porter County, Indiana, circa 1897, plate 20-B in U.S. Geological Survey Professional paper 60. 1908. Categories: Image; Tags: Alden, W.C. Collection, Photographers, Professional Papers, United States Professional Paper 60, photo print Oligocene (?) conglomerate capping Cypress Hills. Alberta, Canada. August 5, 1920. Plate 3-A, U.S. Oligocene (?) conglomerate capping Cypress Hills. Alberta, Canada. August 5, 1920. Plate 3-A, U.S. Geological Survey Professional paper 174. 1932. Categories: Image; Tags: Alden, W.C. Collection, Canada Professional Paper 174, Photographers, Professional Papers, photo print Glaciated pebbles from the drift of North American. 1902. Album caption: Glaciated pebbles from the drift of North American.1902. Figure 18 in U.S. Geological Survey. Folio 81. 1902. Handwritten note on album caption: No Negative 07/24/2012. Categories: Image; Tags: Alden, W.C. Collection, Illinois Folio 81, Photographers, Professional Papers, photo print