1.
|
Washington : U.S. Govt. Print. Off., 1976.
|
2.
|
Menlo Park, CA : U.S. Dept. of the Interior, U.S. Geological Survey, 1997.
I 19.76: 97-745-D |
|
3.
|
[Denver, Colo.] : U.S. Dept. of the Interior, U.S. Geological Survey : [Books and Open-File Reports Section, distributor], 1997.
I 19.76: 97-719 |
|
4.
|
[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 1999.
I 19.76: 99-504 |
|
5.
|
Reston, VA : U.S. Geological Survey, 1999.
I 19.76: 99-385 |
|
6.
|
Washington : U.S. Govt. Print. Off., 1976.
|
7.
|
Washington : U.S. Govt. Print. Off., 1975.
|
8.
|
Washington : U.S. G.P.O. ; Denver, CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1988.
QC925.1.U8 C26 1988 |
Map It |
|
9.
|
Washington : U.S. Govt. Print. Off., 1975.
|
10.
|
Menlo Park, CA : U.S. Geological Survey ; [Denver, Colo. : Books and Open-File Reports Section, distributor, 1991]
I 19.76: 90-688 |
|