1985. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; Denver, CO : For sale by Branch of Distribution, USGS. English. Public. Iowa.
Search Results
1972. 2012-11-16T19:53:21Z. 2023-02-09T21:27:15Z. Hansen, Robert E. Dept. of the Interior, U.S. Geological Survey. English. Public. Iowa.
1978. 2014-02-28T20:15:38Z. 2014-03-13T22:16:13Z. Hansen, Robert E. Dept. of the Interior, U.S. Geological Survey. English. Public. Iowa and U.S.
1975. 2013-08-30T16:36:12Z. 2013-09-04T19:53:07Z. Hansen, Robert E. Dept. of the Interior, U.S. Geological Survey. English. Public. Iowa and U.S.
1986. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Branch of Distribution. English. Public. Iowa.
1973. 2012-12-18T19:34:15Z. 2013-03-18T22:31:58Z. Cagle, Joseph W. Dept. of the Interior, U.S. Geological Survey. English. Public. Iowa.
1973. 2013-04-23T19:50:07Z. 2023-02-09T21:27:16Z. Hansen, Robert E. Dept. of the Interior, U.S. Geological Survey. English. Public. Iowa.
1992. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. Public. Iowa.
1980. 2015-02-27T14:58:43Z. 2015-03-10T22:10:25Z. Sendlein, Lyle V. A. Dept. of the Interior, U.S. Geological Survey. English. Public. Iowa.
1986. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Branch of Distribution. English. Public. Iowa.
