TY - RPRT TI - Level II scour analysis for Bridge 25 (ANDOTH00230025) on Town Highway 23, crossing Andover Branch, Andover, Vermont AU - Robert H. Flynn AU - Ronda L. Burns PY - 1997 DO - 10.3133/ofr97372 UR - https://pubs.usgs.gov/publication/ofr97372 ID - ofr97372 ER -