1954. 2011-11-29T21:36:19Z. 2012-03-05T17:16:47Z. Cornwall, Henry Rowland, 1913-. U.S. Geological Survey. English. Public. Michigan and Keweenaw County.
Search Results
1953. 2011-11-29T20:57:21Z. 2021-05-04T23:19:46Z. De Witt, Wallace, 1920-. U.S. Geological Survey. English. Public. New York (State), Chautauqua County, Cattaraugus County, and Erie County.
1963. 2011-05-17T15:25:47Z. 2012-02-14T00:28:15Z. Fritts, Crawford E. (Crawford Ellsworth), 1927-. U.S. Geological Survey. English. Public. Connecticut, Hartford County, and New Haven County.
1964. 2011-06-20T17:47:17Z. 2012-02-13T19:48:42Z. Snyder, George L. (George Leonard), 1927-. The Survey. English. Public. Connecticut, New London County, and Tolland County.
1984. 2009-07-20T16:02:23Z. 2011-03-28T23:44:29Z. Greenberg, Jeffrey K. University of Wisconsin-Extension, Geological and Natural History Survey. English. Public. Wisconsin.
1987. 2009-07-20T16:12:03Z. 2011-03-28T23:44:29Z. Mudrey, M. G. University of Wisconsin-Extension, Geological and Natural History Survey. English. Public. Wisconsin.
1988. 2009-07-20T16:23:27Z. 2011-03-28T23:44:30Z. Brown, Bruce, 1952-. University of Wisconsin-Extension, Geological and Natural History Survey. English. Public. Wisconsin.
1986. 2009-08-11T17:28:28Z. 2011-03-28T22:43:57Z. Brown, Bruce, 1952-. Wisconsin Geological and Natural History Survey, University of Wisconsin-Extensiony. English. Public. Wisconsin and Wood County.
1973. 2012-11-29T21:25:30Z. 2021-02-16T14:21:00Z. Williams, John R., 1924-. U.S. Geological Survey. English. Public. Massachusetts, Taunton River Watershed, and Taunton River Watershed (Mass.).
1974. 2013-04-23T17:10:42Z. 2013-05-02T15:46:56Z. Nemickas, Bronius. U.S. Geological Survey. English. Public. New Jersey, Union County, Essex County, and Union County (N.J.). Pleistocene.