1.
|
[Denver, CO] : U.S. Geological Survey, 1990.
I 19.76: 90-683 |
|
2.
|
Washington : U.S. G.P.O. ; Denver, CO : For sale by the U.S. Geological Survey, Information Services, 1998 [i.e. 1999]
|
3.
|
Washington, D.C. : U.S. G.P.O., 1998.
|
4.
|
Menlo Park, CA : U.S. Geological Survey ; [Denver, Colo. : Books and Open-File Reports Section, distributor, 1992]
I 19.76: 92-287 |
|
5.
|
[Menlo Park, Calif.] : Dept. of the Interior, U.S. Geological Survey ; [Denver, Colo. : Books and Open-File Reports Section, distributor, 1994]
I 19.76: 94-141 |
|
6.
|
[Menlo Park, Calif.?] : U.S. Dept. of the Interior, U.S. Geological Survey ; [Denver, Colo. : Open-File Reports Section, distributor, 1994]
I 19.76: 94-234 |
|
7.
|
[Denver, Colo.?] : U.S. Dept. of the Interior, U.S. Geological Survey : [Open-File Reports Section, distributor], 1994.
I 19.76: 94-248 |
|
8.
|
Washington, D.C. : U.S. G.P.O. ; Denver, CO : For sale by ... Information Services, [1997]
|
9.
|
Reston, Va. : U.S. Geological Survey ; Denver, CO : Information Services, distributor, 2004.
|
10.
|
[Menlo Park, CA] : U.S. Dept. of the Interior, U.S. Geological Survey, 1998.
I 19.76: 98-584 |
|