1967. 2018-01-05T16:01:01Z. 2018-01-05T16:01:01Z. Woodhead, M. P. Published by the Alberta Society of Petroleum Geologists for the Devonian Symposium. English. cartographic image. Public. Alberta. Devonian and From 345 to 405 million years ago.
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1967. 2002-06-01T04:00:00Z. 2018-05-03T18:44:41Z. Bundesanstalt für Bodenforschung. Bundesanstalt für Bodenforschung ; UNESCO. German&English&French&Russian. cartographic image. Public. Europe and Europe. Quaternary and From 2 million years ago.
1967. 2013-07-30T18:20:09Z. 2013-08-15T16:18:06Z. Williams, Harold. Geological Survey of Canada. English. Public. Newfoundland and Labrador.
1967. 2012-10-02T15:28:39Z. 2013-03-13T16:27:41Z. Dutton, Carl E. (Carl Evans), 1904-. U.S. Geological Survey. English. Public. Menominee Range (Mich. and Wis.), Michigan, Iron County, Dickinson County, Wisconsin, Florence County, Iron County (Mich.), Dickinson County (Mich.), and Florence County (Wis.). Precambrian.
1967. 2012-10-01T17:33:57Z. 2013-03-18T22:21:04Z. McKee, Edwin D. (Edwin Dinwiddie), 1906-1984. U.S. Geological Survey. English. Public. United States. Permian.
1967. 2012-10-04T20:00:50Z. 2013-03-18T22:21:51Z. Prinz, William C., 1928-. U.S. Geological Survey. English. Public. Michigan and Gogebic County. Pre-Quaternary.