1.
|
Research Triangle Park, NC : U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards, [1995]
EP 4.2: V 88/9 |
|
2.
|
Research Triangle Park, NC : U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards, [1995]
EP 4.2: V 88/10 |
|
3.
|
East Hartford, Conn. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : Branch of Information Services [distributor], 1999.
I 19.76: 99-207 |
|
4.
|
Rapid City, S.D. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : Branch of Information Services [distributor], 1999.
I 19.76: 99-182 |
|
5.
|
Marlborough, Mass. : U.S. Geological Survey ; Denver, CO : Information Services [distributor], 1999.
QE75 .O63 no.99-74 |
|
6.
|
Research Triangle Park, N.C. : U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards ; [Springfield, VA : Available from the National Technical Information Service, 1998]
EP 4.2: V 88/11 |
|
7.
|
Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey : Earth Science Information Center, Open-File Reports Section [distributor], 1995.
I 19.76: 95-140 |
|
8.
|
Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey : Open-File Reports Section/ESIC [distributor], 1995.
I 19.76: 95-181 |
|
9.
|
Research Triangle Park, N.C. : U.S. Environmental Protection Agency, Office of Air and Radiation, Office of Air Quality Planning and Standards, [1994]
EP 4.2: W 28/5 |
|
10.
|
Washington : U.S. G.P.O. ; Denver, CO : US Geological Survey Information Services, [distributor], 1995.
|