1.
|
Oxford : Oxbow Books, 2021. ©2021
|
2.
|
[Reston, Va.] : U.S. Geological Survey ; [Denver, Va. : Books and Open-File Reports Section, distributor, 1991]
I 19.76: 91-309 |
|
3.
|
[Reston, Va.] : Dept. of the Interior, U.S. Geological Survey ; [Denver, Colo. : Books and Open-File Reports Section, distributor, 1992]
I 19.76: 92-418 |
|
4.
|
Reston, Va. : Dept. of the Interior, U.S. Geological Survey ; [Denver, Colo. : Books and Open-File Reports Section, distributor, 1992]
I 19.76: 92-413 |
|
5.
|
[Denver, Colo.?] : U.S. Dept. of the Interior, U.S. Geological Survey : [Books and Open-File Reports Section, distributor], 1994.
I 19.76: 94-23 |
|
6.
|
Washington : Carnegie Institution of Washington, 1936.
QE881 .H2 |
|
7.
|
[Reston, Va.?] : Dept. of the Interior, U.S. Geological Survey, 1987.
|
8.
|
Cham, Switzerland : Springer, [2021]
|
9.
|
Washington : U.S. Govt. Print. Off., 1974.
|
10.
|
[Menlo Park, CA] : U.S. Dept. of the Interior, U.S. Geological Survey ; [Denver, Colo. : Books and Open-File Reports Section, distributor], 1991.
I 19.76: 91-552 |
|