TY - RPRT TI - Level II scour analysis for Bridge 23 (HARDTH00530023) on Town Highway 53, crossing Haynesville Brook, Hardwick, Vermont AU - Scott A. Olson PY - 1996 DO - 10.3133/ofr96638 UR - https://pubs.usgs.gov/publication/ofr96638 ID - ofr96638 ER -