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1Published 1990“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Government Document Book -
2Published 1987“...Dept. of the Interior, U.S. Geological Survey ;...”
Government Document Book -
3Published 1989“...Dept. of the Interior, U.S. Geological Survey ;...”
Government Document Book -
4Published 1989“...Dept. of the Interior, U.S. Geological Survey ;...”
Government Document Book -
5Published 1988“...U.S. Dept. of the Interior, Geological Survey :...”
Government Document Conference Proceeding Microform Book -
6Published 1990“...Dept. of the Interior, U.S. Geological Survey ;...”
Government Document Book -
7Published 1992“...U.S. Dept. of the Interior, U.S. Geological Survey ; Books and Open-File Report Sales,...”
Government Document Book