TY  - RPRT
TI  - Climate variation and its effects on our land and water : Part C, Geological Survey climate plan
AU  - Keith A. Howard
AU  - George I. Smith
PY  - 1978
DO  - 10.3133/cir776c
UR  - https://pubs.usgs.gov/publication/cir776C
ID  - cir776C
ER  -