1.
|
[Menlo Park, Calif.?] : U.S. Dept. of the Interior, Geological Survey ; [Denver, Colo. : Books and Open-File Reports Section, distributor], 1992.
I 19.76: 93-178 |
|
2.
|
[Menlo Park, Calif.?] : U.S. Dept. of the Interior, Geological Survey ; [Denver, Colo. : Books and Open-File Reports Section, distributor, 1992.
I 19.76: 93-179 |
|
3.
|
[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey ; [Denver, Colo. : Books and Open-File Reports Section, distributor, 1994]
I 19.76: 94-623-B |
|
4.
|
[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey ; [Denver, Colo. : Open-File Reports Section, distributor, 1994]
I 19.76: 94-623-A |
|
5.
|
Menlo Park, CA : U.S. Geological Survey ; [Denver, Colo. : Books and Open-File Reports Section, distributor, 1991]
I 19.76: 91-102 |
|
6.
|
Tucson, Ariz. : U.S. Geological Survey, Center for Inter-American Mineral Resource Investigations ; [Denver, Colo. : Books and Open-File Reports Section, distributor], ; 28 cm.
I 19.76: 92-547 |
|