1.
|
[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [1998]
I 19.76: 98-246 |
|
2.
|
[Denver, Colo.?] : U.S. Dept. of the Interior, U.S. Geological Survey : [Open-File Reports Section, distributor, 1994]
I 19.76: 94-220 |
|
3.
|
[Reston, Va.?] : U.S. Dept. of the Interior, U.S. Geological Survey, 1994.
I 19.76: 94-708 |
|
4.
|
Cham : Springer, [2018] ©2018
|
5.
|
[Washington, D.C.] : U.S. G.P.O. ; Denver, CO : For sale by Books and Open-File Reports Section, U.S. Geological Survey, 1991.
QE75 .B9 no.1973-A/G |
Map It |
|
6.
|
[Reston, VA] : U.S. Geological Survey, 1994.
I 19.76: 94-217 |
|