Philadelphia's river resources
Subtitle: technical paper
By: [William E. Toffey].
Contributors: Philadelphia City Planning Commission.
Publisher: Philadelphia City Planning Commission
Published: 1982
Place of publication: [Philadelphia, Pa.]
Language: eng
Number of pages: 145
Subjects: Water quality management -- Pennsylvania -- Philadelphia.; Watershed management -- Pennsylvania -- Philadelphia.
Notes: Includes bibliographies.
"June 1982."
"82-27"--Cover.