1.
|
Reston, Va. : U.S. Geological Survey, 2004.
|
2.
|
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : Information Services [distributor], 1997.
I 19.76: 97-645 |
|
3.
|
Reston, VA : U.S. Geological Survey ; [Denver, Colo. : Books and Open-File Reports Section, distributor], 1992.
I 19.76: 92-63 |
|
4.
|
Washington, D.C. : Island Press, c2002.
|
5.
|
Washington, D.C. : National Academy Press, c2002.
|
6.
|
Novato, Calif. : New World Library, c2007.
|
7.
|
Washington, D.C. : Island Press, c2002.
|
8.
|
Washington : U.S. G.P.O. : For sale by the U.S. G.P.O., Supt. of Docs., Congressional Sales Office, 1999.
Y 4.C 73/8: 106-76 |
|