Annual report on the interstate crusade for clean streams to the governors of Illinois, Indiana, ... /
Ohio River Valley Water Sanitation Commission.

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Item Link Original Source
Limited (search only)   1st 1948/49 Cornell University
Limited (search only)   2nd 1949/50 Cornell University
Limited (search only)   3rd 1950/51 Cornell University
Limited (search only)   4th 1951/52 Cornell University
Limited (search only)   5th 1952/53 Cornell University
Limited (search only)   6th 1953/54 Cornell University
Limited (search only)   7th 1954/55 Cornell University
Limited (search only)   8th 1955/56 Cornell University
Limited (search only)   9th 1956/57 Cornell University
Limited (search only)   10th 1957/58 Cornell University
Limited (search only)   11th 1958/59 Cornell University
Limited (search only)   12th 1959/60 Cornell University
Limited (search only)   13th 1960/61 Cornell University
Limited (search only)   14th 1961/62 Cornell University
Limited (search only)   15th 1962/63 Cornell University
Limited (search only)   16th 1963/64 Cornell University
Limited (search only)   1964 The Ohio State University