TY - RPRT TI - Level II scour analysis for Bridge 17 (RIPTTH00180017) on Town Highway 18, crossing the South Branch Middlebury River, Ripton, Vermont AU - Ronda L. Burns AU - Laura Medalie PY - 1997 DO - 10.3133/ofr97658 UR - https://pubs.usgs.gov/publication/ofr97658 ID - ofr97658 ER -