TY  - RPRT
TI  - Facing Tomorrow's Challenges - An Overview
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 2008
DO  - 10.3133/fs20083008
UR  - https://pubs.usgs.gov/publication/fs20083008
ID  - fs20083008
ER  -