-
1
-
2
-
3Published 1980“...U.S. Geological Survey,...”
Government Document Book -
4
-
5
-
6
-
7Published 1981“...U.S. Geological Survey...”
Government Document Book -
8by Baker, E. T. (Ernest T.), 1931-“...U.S. Geological Survey,...”
Published 1983
Government Document Book -
9Published 1982“...U.S. Geological Survey ;...”
Government Document Book -
10
-
11
-
12
-
13
-
14
-
15by Brown, Richmond F. (Richmond Flint), 1925-“...U.S. Geological Survey ;...”
Published 1984
Government Document Book -
16by Orr, Brennon R.“...U.S. Geological Survey ;...”
Published 1985
Government Document Microform Book -
17
-
18by Wells, Frank C.“...U.S. Geological Survey ;...”
Published 1985
Government Document Microform Book -
19by Maclay, Robert W.“...U.S. Geological Survey ;...”
Published 1987
Government Document Microform Book -
20