TY - RPRT TI - Potential scour at bridge A07011, over the Powwow River at Pond Street in Amesbury, Massachusetts AU - P.J. Murphy AU - Lisa Bratton PY - 1998 DO - 10.3133/ofr97801 UR - https://pubs.usgs.gov/publication/ofr97801 ID - ofr97801 ER -