TY  - RPRT
TI  - Preparation of average annual runoff map of the United States, 1951-80
AU  - W.R. Krug
AU  - W.A. Gebert
AU  - D.J. Graczyk
PY  - 1989
DO  - 10.3133/ofr87535
UR  - https://pubs.usgs.gov/publication/ofr87535
ID  - ofr87535
ER  -