Author: Tysdal, Russell G. / Access: Public - Yale University Library GeoBlacklight Search Results

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1976. 2013-09-11T18:27:35Z. 2013-09-19T18:39:40Z. Tysdal, Russell G. The Survey. English. Public. Montana, Madison County, and U.S.

1977. 2013-04-03T19:20:17Z. 2013-04-10T17:34:12Z. Tysdal, Russell G. U.S. Geological Survey. English. Public. Liberia.

1977. 2013-04-03T20:08:16Z. 2013-04-03T20:08:16Z. Tysdal, Russell G. U.S. Geological Survey. English. Public. Liberia.

1979. 2014-07-03T18:54:01Z. 2014-07-03T18:54:01Z. Tysdal, Russell G. The Survey. English. Public. Alaska, U.S., États-Unis, and Alaska.

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