1.
|
[Reston, Va.?] : Dept. of the Interior, U.S. Geological Survey ; Denver, CO : For sale by the Books and Open-File Reports Section, 1987.
|
2.
|
[Washington, D.C.?] : U.S. Dept. of Agriculture, Soil Conservation Service, 1981.
|
3.
|
[Washington] : U.S. G.P.O. ; Denver, CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1988.
|
4.
|
[Washington, D.C.?] : U.S. Dept. of Agriculture, Soil Conservation Service, 1985.
|
5.
|
Salina, Kan. : U.S. Dept. of Agriculture, Soil Conservation Service, 1988.
|
6.
|
Little Rock, Ark. : Dept. of the Interior, U.S. Geological Survey ; Denver, Colo. : U.S. Geological Survey, Books and Open-File Reports Section [distributor,
I 19.76: |
|
7.
|
[Reston, Va.?] : U.S. Dept. of the Interior, U.S. Geological Survey ; [Denver, Colo. : Books and Open-File Reports Section, distributor], 1993.
I 19.76: 93-273 |
|
8.
|
[Reston, Va.?] : U.S. Dept. of the Interior, U.S. Geological Survey ; [Denver, Colo. : Open-File Reports Section, distributor], 1994.
I 19.76: 94-208 |
|
9.
|
San Juan, P.R. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : Books and Open-File Reports [Section, distributor], 1991.
I 19.76: 90-199 |
|
10.
|
|