Interstate Commission on the Delaware River Basin2012-02-022012-02-021941-10-24974.90 D343 1941dhttp://hdl.handle.net/10929/15770en-USWater - Pollution - New JerseyWater - Pollution - PennsylvaniaDelaware RiverWater pollution abatement in the Delaware River Basin: with special reference to the city of Philadelphia/ a symposium...State Publication