1993. 2002-06-01T04:00:00Z. 2016-07-20T21:24:09Z. Geological Survey (U.S.). U.S. Geological Survey ; For sale by Map Distribution. English. cartographic image. Public. Powder River Basin (Wyo. and Mont.), United States, and Powder River Basin. Cretaceous and From 65 to 140 million years ago.
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1993. 2002-06-01T04:00:00Z. 2016-07-20T21:24:09Z. Geological Survey (U.S.). U.S. Geological Survey ; For sale by Map Distribution. English. cartographic image. Public. Powder River Basin (Wyo. and Mont.), United States, and Powder River Basin. Cretaceous and From 65 to 140 million years ago.
1989. 2002-06-01T04:00:00Z. 2016-03-28T17:04:12Z. Geological Survey (U.S.). U.S. Geological Survey ; For sale by Map Distribution. English. Public. Arkansas and Missouri.
1990. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). U.S. Geological Survey ; For sale by Map Distribution. English. Public. Kansas and Missouri.
55. The magnetic field in the United States, 1985. [cartographic material] / Vertical intensity chart
1988. 2002-06-01T04:00:00Z. 2016-07-27T21:14:03Z. Geological Survey (U.S.). U.S. Geological Survey ; For sale by Map Distribution. English. cartographic image. Public. United States, Alaska, Hawaii, Alaska., Hawaii., and United States.
