TY  - RPRT
TI  - Assessing Our Natural Resources: Providing Vital Information for Our Nation's Future
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1999
DO  - 10.3133/fs09499
UR  - https://pubs.usgs.gov/publication/fs09499
ID  - fs09499
ER  -