TY - RPRT TI - Level II scour analysis for Bridge 42 (HARDELMSTR0042) on Elm Street, crossing Cooper Brook, Hardwick, Vermont AU - Scott A. Olson PY - 1996 DO - 10.3133/ofr96565 UR - https://pubs.usgs.gov/publication/ofr96565 ID - ofr96565 ER -