TY - RPRT TI - Level II scour analysis for Bridge 4 (PROCTH00060004) on Town Highway 6, crossing Otter Creek, Proctor, Vermont AU - M.A. Ivanoff AU - Laura Medalie PY - 1998 DO - 10.3133/ofr9855 UR - https://pubs.usgs.gov/publication/ofr9855 ID - ofr9855 ER -