TY - RPRT TI - Level II scour analysis for Bridge 12 (BRAITH00230012) on Town Highway 23, crossing Ayers Brook, Braintree, Vermont AU - Scott A. Olson PY - 1996 DO - 10.3133/ofr96390 UR - https://pubs.usgs.gov/publication/ofr96390 ID - ofr96390 ER -