1.
|
Washington : U.S. G.P.O., 1986.
TA705.3.V8 O34 1986 |
Map It |
|
2.
|
Washington : U.S. G.P.O. ; Denver, CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1989.
|
3.
|
Reston, VA : U.S. Dept. of the Interior, U.S. Geological Survey, 1995.
I 19.76: 95-477 |
|
4.
|
Dordrecht ; Boston : D. Reidel Pub. Co. ; Hingham, MA : Sold and distributed in the U.S.A. and Canada by Kluwer Academic Publishers, c1985.
|
5.
|
San Juan, P.R. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : Books and Open-File Reports Section [distributor], 1993.
I 19.76: 92-150 |
|
6.
|
Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey : For sale by U.S. Geological Survey Information Serivces, 1995.
|
7.
|
Boulder, Colo. : Geological Society of America, c1988.
|
8.
|
|