TY - RPRT TI - Level II scour analysis for Bridge 20 (MENDTH00070020) on Town Highway 7, crossing Mendon Brook, Mendon, Vermont AU - S.A. Willoughby AU - Timothy Severance PY - 1998 DO - 10.3133/ofr98527 UR - https://pubs.usgs.gov/publication/ofr98527 ID - ofr98527 ER -