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Creator
- United States. Works Progress Administration of Pennsylvania.1,148
- Kingsbury, Robert C.4
- Michigan. Geological Survey Division4
- Bien, Julius, 1826-19093
- Dawson, George Mercer, 1849-19013
- Geological Survey of Canada3
- Greenough, George Bellas, 1778-18553
- Hollingsworth, John McHenry, 1823-18893
- Newsom, John F. (John Flesher), 1869-19283
- Garnier, F. A., 1803-1863.2
- Geological and Natural History Survey of Canada2
- Henderson, John R.2
- McGee, W J, 1853-19122
- Patton, John B. (John Barratt), 1915-2
- Rominger, Carl Ludwig, 1820-19072
- Weber, Edward2
- White, George W. (George Willard), 1903-19852
- Winchell, Alexander, 1824-18912
- Winchell, N. H. (Newton Horace), 1839-19142
- A. Hoen & Co.1