TY - RPRT TI - Level II scour analysis for Bridge 45 (NFIETH00250045) on Town Highway 25, crossing Union Brook, Northfield, Vermont AU - Ronda L. Burns AU - Michael A. Ivanoff PY - 1997 DO - 10.3133/ofr97407 UR - https://pubs.usgs.gov/publication/ofr97407 ID - ofr97407 ER -