TY - RPRT TI - Level II scour analysis for Bridge 22 (WALDTH00180022) on Town Highway 18, crossing Coles Brook, Walden, Vermont AU - Lora K. Striker AU - Michael A. Ivanoff PY - 1997 DO - 10.3133/ofr97768 UR - https://pubs.usgs.gov/publication/ofr97768 ID - ofr97768 ER -