TY  - RPRT
TI  - Available sand and gravel resources in southern New Hampshire
AU  - Joseph S. Duval
AU  - David M. Sutphin
AU  - Herbert A. Pierce
PY  - 2003
DO  - 10.3133/ofr03373
UR  - https://pubs.usgs.gov/publication/ofr03373
ID  - ofr03373
ER  -