TY - RPRT TI - Level II scour analysis for Bridge 43 (CHELTH00460043) on Town Highway 46, crossing Jail Brook, Chelsea, Vermont AU - Scott A. Olson PY - 1997 DO - 10.3133/ofr97386 UR - https://pubs.usgs.gov/publication/ofr97386 ID - ofr97386 ER -