TY - RPRT TI - Level II scour analysis for Bridge 33 (PFRDTH00230033) on Town Highway 23, crossing Otter Creek, Pittsford, Vermont AU - E.M. Boehmler AU - M.A. Ivanoff PY - 1998 DO - 10.3133/ofr98557 UR - https://pubs.usgs.gov/publication/ofr98557 ID - ofr98557 ER -