. Chemical composition of rivers and lakes. Water -- Composition; Rivers; Lakes. CHEMICAL COMPOSITION OF RIVERS AND LAKES Gil OVERTURN PARTIAL COMPLETE Figure 6.—Redox potential near the mud-water interface and concentrations of dis- solved substances in the water just over the mud surface of Esthwaite Water, England, during 1940. Redox potential (E?) in volts, Os=dissolved oxygen, Fe=fcrrous iron, Mn=manganese, P = phosphate as PiOj, NHi=ammonia, NOj=nitrate nitrogen, all is in parts per million. After Mortimer, 1941-42. Reprinted by permission of Blackwell Scientific Publica
. Chemical composition of rivers and lakes. Water -- Composition; Rivers; Lakes. CHEMICAL COMPOSITION OF RIVERS AND LAKES Gil OVERTURN PARTIAL COMPLETE Figure 6.—Redox potential near the mud-water interface and concentrations of dis- solved substances in the water just over the mud surface of Esthwaite Water, England, during 1940. Redox potential (E?) in volts, Os=dissolved oxygen, Fe=fcrrous iron, Mn=manganese, P = phosphate as PiOj, NHi=ammonia, NOj=nitrate nitrogen, all is in parts per million. After Mortimer, 1941-42. Reprinted by permission of Blackwell Scientific Publications, Ltd., Oxford, England. GENEEAL ANALYSES NORTH AMERICA An overwhelming mass of chemical data exists for the rivers of North America. Most of the analyses have been made as part of a systematic sampling program of the Water Resources Division of the Geological Survey and have been published in a series of Water-Supply Papers: Collins, Howard, and Love (1943); Collins and Love (1944); Howard and Love (1945); Howard (1948); Geological Survey (1947 1948]; 1949b; 1950 [1951]; 1952; 1953a, b; 1954a, b, c, d; 1955a, b, c, d, e; 1956a, b, c; 1957a, b, c; 1958a, b, c, d, e; 1959a, b, c, d, e, f; 1960a, b, c, d, e). In addition, many reports deal with individual states. The follow- ing is a selection from a very large number of references; generally only the most recent ones of a series are cited. Geological Survey (1960f, g, h); Saunders and Billingsley (1950); Geurin (1951); Geurin and Jeffery (1957); Smith and others (1949); California Department of Water Resources (1956, 1957); Lamar (1944); Cherry (1961); Hershey (1955); Lamar and Laird (1953); Lamar, Krieger, and Collier (1955); Hembree, Colby, Swenson, and Davis (1952); Lamar (1943); Pauszek (1952); Pauszek and Harris (1951); McAvoy (1957); Woodward and Thomas (I960); White (1947); Lamar and Schroeder (1951); Ohio River Valley Water Sanitation Commission (1950 [1951]); Murphy (1955); Dover (1956, 1959); Beam
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