TY  - RPRT
TI  - Yearly variations in runoff for the conterminous United States, 1931-1960
AU  - Mark W. Busby
PY  - 1964
DO  - 10.3133/wsp1669s
UR  - https://pubs.usgs.gov/publication/wsp1669S
ID  - wsp1669S
ER  -