TY  - RPRT
TI  - Reconnaissance study of the thickness of the unsaturated zone in the western conterminous United States
AU  - M. S. Bedinger
AU  - William H. Langer
PY  - 1986
DO  - 10.3133/ofr86402w
UR  - https://pubs.usgs.gov/publication/ofr86402W
ID  - ofr86402W
ER  -