1.
|
|
2.
|
Boulder, Colo. : Geological Society of America, 1997.
|
3.
|
[Reston, Va.?] : U.S. Dept. of the Interior, Geological Survey, [1990]
I 19.76: 90-297 |
|
4.
|
[Denver, CO] : U.S. Dept. of the Interior, Geological Survey : [Books and Open-File Reports Section, distributor], 1990.
I 19.76: 90-95 |
|
5.
|
[Reston, Va.?] : U.S. Dept. of the Interior, U.S. Geological Survey, [1997]
I 19.76: 97-95 |
|
6.
|
[Menlo Park, CA] : U.S. Dept. of the Interior, U.S. Geological Survey, 1998.
I 19.76: 98-247 |
|
7.
|
Washington : U.S. G.P.O. ; Denver, CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1987.
|
8.
|
|
9.
|
Cham : Springer, [2015]. ©2016
|
10.
|
[Menlo Park, CA] : U.S. Geological Survey, 1990.
I 19.76: 90-84 |
|