TY  - RPRT
TI  - An Introduction to Using Surface Geophysics to Characterize Sand and Gravel Deposits
AU  - Jeffrey E. Lucius
AU  - William H. Langer
AU  - Karl J. Ellefsen
PY  - 2007
DO  - 10.3133/cir1310
UR  - https://pubs.usgs.gov/publication/cir1310
ID  - cir1310
ER  -