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Author
- Geological Survey (U.S.)16
- Hussey, Arthur M.2
- Moench, Robert Hadley, 1926-2
- Bastin, Edson S. (Edson Sunderland), 1878-19531
- Espenshade, Gilbert H. (Gilbert Howry), 1912-1
- Gates, Olcott, 1919-1
- Gilman, Richard A.1
- Ludman, Allan1
- Maine Geological Survey. Dept. of Conservation1
- McIntosh, Willard L.1
- Osberg, Philip H. (Philip Henry)1
- Pavlides, Louis, 1921-1
- Smith, George Otis, 1871-19441
- Tucker, Robert D., compiler1
