1.
|
[Denver, Colo.?] : U.S. Dept. of the Interior, Geological Survey : [Books and Open-File Reports Section, distributor], 1990.
I 19.76: 90-266 |
|
2.
|
[Denver, CO] : U.S. Geological Survey, 1990.
I 19.76: 90-473 |
|
3.
|
Menlo Park, Calif. : U.S. Dept. of the Interior, Geological Survey, 1990.
I 19.76: 90-429 |
|
4.
|
[Menlo Park, CA] : U.S. Dept. of the Interior, U.S. Geological Survey ; [Denver, Colo. : Books and Open-File Reports Section, distributor], 1992.
I 19.76: 92-723 |
|
5.
|
Alexandria, VA : U.S. Geological Survey, 1984.
|
6.
|
[Reston, Va.?] : U.S. Dept. of the Interior, Geological Survey, 1990.
I 19.76: 90-320 |
|
7.
|
[Menlo Park, CA] : U.S. Geological Survey, 1990.
I 19.76: 90-99 |
|
8.
|
[Menlo Park, CA] : U.S. Dept. of the Interior, U.S. Geological Survey ; [Denver, Colo. : Books and Open-File Reports Section, distributor], 1992.
I 19.76: 92-196 |
|
9.
|
[Menlo Park, CA] : U.S. Dept. of the Interior, U.S. Geological Survey ; [Denver, Colo. : Books and Open-File Reports Section, distributor], 1993.
I 19.76: 93-347 |
|
10.
|
Menlo Park, Calif. : U.S. Dept. of the Interior, Geological Survey ; [Denver, Colo. : Open-File Reports Section, distributor], 1994.
I 19.26: 94-241 |
|