Author/Creator
- Grantz, Arthur, 1927-20211
- Grim, Muriel S.1
- Hansen, Robert E.1
- Harrison, Richard W.1
- Huntoon, Peter W.1
- Iowa Geological Survey1
- Klein, T. L.1
- Middendorf, Mark A.1
- Minnesota Geological Survey1
- Minnesota. Division of Minerals1
- Missouri. Division of Geology and Land Survey1
- Mudge, Melville R., 1921-20091
- Mullen, Michael W.1
- Orndorff, Randall C.1
- Owens, James Patrick, 1924-1
- Potter, Donald B., 1923-1
- Schulz, K. J.1
- Stanley, Rolfe S.1
- United States. Department of Energy. Nevada Operations Office1
- Vermont Geological Survey1