TY - RPRT TI - Level II scour analysis for Bridge 13 (IRAVT013300133) on State Route 133, crossing an Ira Brook Tributary, Ira, Vermont AU - Erick M. Boehmler PY - 1996 DO - 10.3133/ofr96749 UR - https://pubs.usgs.gov/publication/ofr96749 ID - ofr96749 ER -