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- 91151950 contributor B6476390.
- 91151950 created "[1990]".
- 91151950 date "1990".
- 91151950 date "[1990]".
- 91151950 dateCopyrighted "[1990]".
- 91151950 description "Includes bibliographical references (p. 21).".
- 91151950 extent "23 p. :".
- 91151950 issued "1990".
- 91151950 issued "[1990]".
- 91151950 language "eng".
- 91151950 publisher "[Rockville, Md.] : Interstate Commission on the Potomac River Basin,".
- 91151950 spatial "Potomac River Watershed".
- 91151950 subject "363.73/946/09752 20".
- 91151950 subject "TD225.P74 H43 1990".
- 91151950 subject "Water Pollution Potomac River Watershed History.".
- 91151950 subject "Water quality management Potomac River Watershed History.".
- 91151950 title "Healing a river : the Potomac, 1940-1990.".
- 91151950 type "text".