TY - RPRT TI - Phase 1 freshwater mussel survey and comparison to historical surveys at the Pond Eddy bridge, Delaware River, New York and Pennsylvania AU - Heather S. Galbraith PY - 2012 DO - 10.3133/ofr20121224 UR - https://pubs.usgs.gov/publication/ofr20121224 ID - ofr20121224 ER -