TY  - RPRT
TI  - Proceedings of the U.S. Geological Survey global change research forum, Herndon, Virginia, March 18-20, 1991
AU  - K. Mitchell Snow
PY  - 1993
DO  - 10.3133/cir1086
UR  - https://pubs.usgs.gov/publication/cir1086
ID  - cir1086
ER  -