Butts, T.A. 1975. Lake Meredosia sample results. 14 p. Unpublished. 



Butts, T.A., R.L. Evans, and S. Lin. 1975. Water quality features of the 

 Upper Illinois Waterway. Illinois State Water Survey. Urbana. 60 p. 



Cahn, A.R. 1949. Pearl culture in Japan. General Headquarters, Supreme Com- 

 mander for the Allied Powers, Natural Resources Section Report 122. 91 p. 



Carlander, H.B. 1954. History of fish and fishing in the upper Mississippi 

 River. Upper Mississippi River Conservation Committee. 96 p. 



Chamberlain, E.B., Jr. 1948. Ecological factors influencing the growth 

 and management of certain waterfowl food plants on Back Bay National 

 Wildlife Refuge. Transactions of the North American Wildlife Con- 

 ference 13: 347-355. 



Chicago District, Corps of Engineers. 1975. Preliminary investigation of 



the downstream effects on the Illinois Waterway of an increase in Lake 

 Michigan diversion at Chicago, Illinois. 49 p. 



Christenson, L.M. and L.L. Smith. 1965. Characteristics of fish popu- 

 lations in upper Mississippi River backwater areas. U.S. Department 

 of Interior, Fish and Wildlife Service, Bureau of Sport Fisheries 

 and Wildlife. Circular 212. 53 p. 



Cleary, R.E. 1961. Mississippi fishing from a statistician's viewpoint. 

 Iowa Conservationist 20(6): 143. 



Cohen, N.H. , S.P. Bartlett, andH. Kleine. 1908. Report of Illinois State Fish 

 Commissioners, from October 1, 1906 to September 30, 1908. 92 p. 



Coker, R.E. 1914. Water-power development in relation to fishes and 

 mussels of the Mississippi. U.S. Commercial Fisheries Report for 

 1913. Bureau of Fisheries Document No. 805. Appendix 8. 28 p. 



Coker, R.E. 1921. Fresh-water mussels and mussel industries of the United 

 States. U.S. Bureau of Fisheries Bulletin for 1917-1918, 36: 11-89. 



Coker, R.E. 1930. Studies of common fishes of the Mississippi River at 

 Keokuk, 1930. Bureau of Fisheries Document 1072, Bulletin of 

 Bureau of Fisheries 45: 141-225. 



Coker, R.E., Shira, Clark, and Howard. 1921. Life history and 



propagation of fresh-water mussels. Bulletin of U.S. Bureau of 

 Fisheries 36(85): 135-166. 



Colbert, B.K., J.E. Scott, J.H. Johnson, and R.C. Solomon. 1975. En- 

 vironmental inventory and assessment of navigation pools 24, 25, 

 and 26, upper Mississippi and lower Illinois Rivers: an aquatic 

 analysis. U.S. Army Engineers Waterways Experiment Station. 

 Technical Report Y-75-2. 361 p. 



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