TY - RPRT TI - Level II scour analysis for Bridge 20 (WALDTH00050020) on Town Highway 5, crossing Stanard Brook, Walden, Vermont AU - R.L. Burns AU - S.A. Olson PY - 1998 DO - 10.3133/ofr98541 UR - https://pubs.usgs.gov/publication/ofr98541 ID - ofr98541 ER -