1.
|
Denver, Colo. : U.S. Dept. of the Interior, Geological Survey ; Springfield, Va. : Available from N.T.I.S., 1986.
|
2.
|
[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 1996.
I 19.76: 96-30 |
|
3.
|
Washington : U.S. G.P.O. ; Denver, CO : For sale by U.S. Geological Survey, Information Services, 1995.
|
4.
|
Washington : U.S. G.P.O. ; Denver, CO : For sale by Information Services, 1995.
|
5.
|
Washington : Govt. Print. Off., 1882.
QE75 .M7 v.3, Sup. |
|
6.
|
|
7.
|
Washington : U.S. G.P.O. ; Denver, CO : For sale by USGS Map Distribution, Denver Federal Center, 1993.
|
8.
|
Denver, CO : U.S. Dept. of the Interior, Geological Survey : [Books and Open-File Reports Section, distributor], 1992.
I 19.76: 92-193 |
|
9.
|
Washington : U.S. G.P.O., 1996.
|
10.
|
Washington : U.S. G.P.O. ; Denver, CO : For sale by U.S. Geological Survey, Information Services, 1996.
|