Search Results for the EPA National Library Catalog

Items Found: 6

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Your Search: (AUTHOR=Humphrys AND Clifford AND Robertson)

 
 
 

Select Item Title Year Published
Ecological effects of highway construction upon Michigan woodlots and wetlands 1977
Lake terminology / 1964
Michigan's artificial ponds 1961
Preliminary inventory of Michigan's artificial surface water 1962
Water and water use terminology 1966
Water: water supply 1960, water demand 1980; personal report to the Senate Select Committee on National Water Resources. 1959

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