Matches in Library of Congress for { <http://lccn.loc.gov/66060721> ?p ?o. }
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- 66060721 contributor B1709592.
- 66060721 contributor B1709593.
- 66060721 created "[1965]".
- 66060721 date "1965".
- 66060721 date "[1965]".
- 66060721 dateCopyrighted "[1965]".
- 66060721 extent "2 v.".
- 66060721 issued "1965".
- 66060721 issued "[1965]".
- 66060721 language "eng".
- 66060721 publisher "[Washington] U.S. Dept. of Health, Education, and Welfare".
- 66060721 spatial "Mahoning River Valley (Ohio and Pa".
- 66060721 subject "614.7720977139".
- 66060721 subject "TD225.M23 C6 1965".
- 66060721 subject "Water Pollution Mahoning River Valley (Ohio and Pa Congresses.".
- 66060721 title "Proceedings.".
- 66060721 type "text".