Citation Data

MLA

Prepared by the U. S. Geological Survey in cooperation with the States of Illinois ... [and others]--Preface. Quality of Surface Waters of the United States, 1970. Parts 4 and 5, St. Lawrence River Basin, and Hudson Bay and Upper Mississippi River Basins. Washington :U.S. Govt. Print. Off., 1975.

APA

Prepared by the U. S. Geological Survey in cooperation with the States of Illinois ... [and others]--Preface. (1975). Quality of surface waters of the United States, 1970. Parts 4 and 5, St. Lawrence River Basin, and Hudson Bay and upper Mississippi River basins. Washington :U.S. Govt. Print. Off.,

Chicago

Prepared by the U. S. Geological Survey in cooperation with the States of Illinois ... [and others]--Preface. Quality of Surface Waters of the United States, 1970. Parts 4 and 5, St. Lawrence River Basin, and Hudson Bay and Upper Mississippi River Basins. Washington :U.S. Govt. Print. Off., 1975.

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