1.
|
Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey : [Books and Open-File Reports Section, distributor], 1990.
I 19.76: 90-242-A |
|
2.
|
[Denver, CO] : U.S. Dept. of the Interior, Geological Survey, 1997.
|
3.
|
[Reston, VA] : U.S. Geological Survey, 1995.
I 19.76: 95-525-C |
|
4.
|
[Reston, VA] : U.S. Dept. of the Interior, U.S. Geological Survey, [1997]
I 19.76: 96-725 |
|
5.
|
[Washington, D.C. : U.S. G.P.O., 1999]
Y 1.1/8: 106-389 |
|
6.
|
Washington : U.S. G.P.O. : For sale by the U.S. G.P.O., Supt. of Docs., Congressional Sales Office, 1999.
Y 4.EN 2: S.HRG. 106-120 |
|
7.
|
[Tucson, AZ] : U.S. Dept. of the Interior, U.S. Geological Survey, 1997.
I 19.76: 97-860 |
|
8.
|
[Menlo Park, CA] : U.S. Dept. of the Interior, U.S. Geological Survey, 1997.
I 19.76: 97-859 |
|
9.
|
Denver, CO : Dept. of Interior, U.S. Geological Survey, [1998]
I 19.76: 97-713 |
|
10.
|
[Lawrence, Kan.] : U.S. Dept. of the Interior, U.S. Geological Survey, [1997]
I 19.76: 97-269 |
|