TY - RPRT TI - Level II scour analysis for Bridge 81 (NFIETH00PL0081) on Pleasant Street, crossing Union Brook, Northfield, Vermont AU - Ronda L. Burns AU - Laura Medalie PY - 1997 DO - 10.3133/ofr97404 UR - https://pubs.usgs.gov/publication/ofr97404 ID - ofr97404 ER -