Books by Edwards, Robert E.
Trends in nitrogen, phosphorus
Trends in nitrogen, phosphorus, and suspended sediment in the Susquehanna River Basin, 1974-93
1993 priority waterbody survey
1993 priority waterbody survey lower Susquehanna Basin (watersheds 7A-7K)
1994 Susquehanna River Basin w
1994 Susquehanna River Basin water quality assessment
1992 water quality assessment
1992 water quality assessment report
Nutrient trends and land use c
Nutrient trends and land use changes in selected watersheds in the Lower Susquehanna River Basin