TY - RPRT TI - Techniques for assessing sand and gravel resources in glaciofluvial deposits — An example using the surficial geologic map of the Loudon quadrangle, Merrimack and Belknap Counties, New Hampshire AU - David M. Sutphin AU - Lawrence J. Drew AU - Brian K. Fowler AU - Richard Goldsmith PY - 2002 DO - 10.3133/pp1627 UR - https://pubs.usgs.gov/publication/pp1627 ID - pp1627 ER -