TY  - RPRT
TI  - Aggregate resource availability in the conterminous United States, including suggestions for addressing shortages, quality, and environmental concerns
AU  - William H. Langer
PY  - 2011
DO  - 10.3133/ofr20111119
UR  - https://pubs.usgs.gov/publication/ofr20111119
ID  - ofr20111119
ER  -