1.
|
Washington : U.S. G.P.O. ; Denver, CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1990.
|
2.
|
Tucson, Ariz. : U.S. Geological Survey ; Denver, CO : Branch of Information Services [distributor], 1997.
I 19.76: 97-206 |
|
3.
|
Tucson, Ariz. : U.S. Geological Survey, Water Resources Division ; Denver, CO : U.S. Geological Survey, Open-File Section [distributor], 1995.
GB1227.C5 S26 1995 |
|
4.
|
Washington : U.S. G.P.O. ; Denver, CO : For sale by the U.S. Geological Survey, Information Services, 1996.
GB1227.P84 S87 1996 |
Map It |
|
5.
|
Tucson, Ariz. : U.S. Geological Survey ; Denver, CO : Branch of Information Services [distributor], 1997.
GB1399.4.A6 K66 1997 |
|
6.
|
Tucson, Ariz. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : Earth Science Information Center, Open-File Reports Section [distributor, 1993]
I 19.76: 93-174 |
|
7.
|
[Washington, D.C.] : U.S. G.P.O. ; Denver, CO : For sale by the Books and Open File Reports Section, U.S. Geological Survey, Federal Center, 1986.
|