TY - RPRT TI - Level II scour analysis for Bridge 39 (ANDOVT00110039) on State Route 11, crossing the Middle Branch Williams River, Andover, Vermont AU - Ronda L. Burns AU - Emily C. Wild PY - 1997 DO - 10.3133/ofr97373 UR - https://pubs.usgs.gov/publication/ofr97373 ID - ofr97373 ER -