1.
|
Washington : U.S. G.P.O., [1984]
|
2.
|
[Denver, CO] : U.S. Geological Survey, 1996.
I 19.76: 96-62 A |
|
3.
|
[Denver, CO] : U.S. Geological Survey, 1999.
I 19.76: 99-368-A |
|
4.
|
Denver, CO : U.S. Dept. of the Interior, U.S. Geological Survey, 1999.
I 19.76: 99-367-A |
|
5.
|
[Denver, Colo.?] : U.S. Dept. of the Interior, U.S. Geological Survey : [Open-File Reports Section, distributor], 1994.
I 19.76: 94-277-A |
|
6.
|
[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey ; [Denver, Colo. : Open-File Reports Section, distributor], 1994.
I 19.76: 94-443 |
|
7.
|
Denver, CO : U.S. Dept. of the Interior, U.S. Geological Survey, 1999.
I 19.76: 98-219 E |
|
8.
|
[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 1996.
I 19.76: 96-533 |
|
9.
|
Washington : U.S. G.P.O. ; Alexandria, VA : For sale by the Branch of Distribution, U.S. Geological Survey, 1984 [i.e. 1985]
|
10.
|
[Denver, CO] : U.S. Dept. of the Interior, U.S. Geological Survey, [1998]
I 19.76: 98-112 |
|