TY - RPRT TI - Use of a ground-penetrating radar system to detect pre- and post-flood scour at selected bridge sites in New Hampshire, 1996-98 AU - Joseph R. Olimpio PY - 2000 DO - 10.3133/wri004035 UR - https://pubs.usgs.gov/publication/wri004035 ID - wri004035 ER -