@misc{indiciaea858d053c57b, title = {Supplement to the report "A graphical summary of dissolved-oxygen data for the Delaware River estuary for water years 1965-69"}, author = {C.F. Merk}, year = {1970}, doi = {10.3133/ofr70224}, url = {https://pubs.usgs.gov/publication/ofr70224}, note = {Source identifier: ofr70224} }