TY - RPRT TI - Level II scour analysis for Bridge 31 (BRISTH00030031) on Town Highway 3, crossing the New Haven River, Bristol, Vermont AU - James R. Degnan PY - 1997 DO - 10.3133/ofr97628 UR - https://pubs.usgs.gov/publication/ofr97628 ID - ofr97628 ER -