Search Results for the EPA National Library Catalog

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Your Search: (SUBJECT=Water Pollution Superior Lake Congresses.)

 
 
 

Select Item Title Year Published
Conference in the Matter of Pollution of Lake Superior and its Tributary Basin in the States of Minnesota, Wisconsin, and Michigan : held in Duluth, Minnesota, April 29-30, 1970 : transcript of proceedings. 1970
Conference in the Matter of Pollution of Lake Superior and its Tributary Basin in the States of Minnesota, Wisconsin, and Michigan : held in Duluth, Minnesota, September 30 - October 1, 1969 : executive session, transcript of proceedings. 1970
Conference in the matter of pollution of Lake Superior and its Tributary Basin in the states of Minnesota, Wisconsin, and Michigan. 1970
Reconvening of second session of the conference in the Matter of Pollution of Lake Superior and its Tributary Basin in the States of Minnesota, Wisconsin, and Michigan : held in Duluth, Minnesota, August 12-13, 1970 : transcript of proceedings. 1970
Second session of the Conference in the Matter of Pollution of Lake Superior and its Tributary Basin in the States of Minnesota, Wisconsin, and Michigan held in Duluth, Minnesota, April 29-30, 1970 : transcript of proceedings. 1970
Third meeting of the second session (reconvened) of the conference in the matter of pollution of Lake Superior and its tributary basin in the States of Minnesota, Wisconsin, and Michigan, April 22-23, 1971 / 1971
Third meeting of the second session (revovened) of the Conference in the Matter of Pollution of Lakes Superior and its tributary basin in the States of Minnesota, Wisconsin, and Michigan : held in Duluth, Minnesota, April 22, 23, 1971 : transcript of proceedings. 1971

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