INTRODUCTION. 37 



Clatpole, E. W., Buffalo and Chicago, or "What might have been": Am. Naturalist, vol. 20, 1886, pp. 856-862. 



A slight change only is needed to divert the drainage of Lakes Superior, Michigan, Huron, and Erie from 

 Niagara to the Chicago outlet. 

 Clinton, De Witt, On certain phenomena of the Great Lakes of North America: Trans. New York Lit. and Phil. Soc., 

 vol. 2, 1817, pt. 1, pp. 1-33. 

 Discusses annual and short-period fluctuations of lake level. 

 Cole, L. J., The delta of the St. Clair River: Geol. Survey Michigan, vol. 9, 1903, pt. 1, pp. 1-28. 



Discusses the character and extent of the delta and its present rate of growth. Evidence is found that the 

 Lake St. Clair bed has been a land surface during part of the postglacial time, presumably while the Nipissing 

 Great Lakes were discharging eastward past North Bay, Ontario. 

 Collett, John, Reports of Indiana Geological Survey contain brief discussions of glacial deposits, as follows: Sullivan 

 County, Second Ann. Rept. Geol. Survey Indiana,- 1870, pp. 225-228; Dubois, Pike, Jasper, White, Carroll, Cass. 

 Miami, Wabash, and Howard counties. Third and Fourth Repts., 1871 and 1872, pp. 193-195, 240-241, 291-293 

 Warren and Knox counties, Fifth Rept., 1873, pp. 191-195, 315-320; Brown County, Sixth Rept., 1874, pp. 77-84 

 Owen and Montgomery and part of Clay County, Seventh Rept., 1875, pp. 301-30S, 361-371, 393, 401-409, 423-126 

 Shelby County, Eleventh Ann. Rept. Dept. Geology and Nat. Hist., 1881, pp. 56-69; Posey County, Thirteenth 

 Rept., 1883, pp. 45^18. 

 Comstock, F. M., Ancient lake beaches on the islands of Georgian Bay: Am. Geologist, vol. 33, 1904, pp. 310-318. 



Describes beaches on three islands in the southeast arm of Georgian Bay. 

 Cooper, W. F., Water supply of the lower peninsula of Michigan: Rept. State Board Geol. Survey for 1903, pp. 47-95. 

 Briefly discusses artesian areas, springs, wells, topography, and water power in Lenawee, Hillsdale, Branch, 

 St. Joseph, and Cass counties, and records of wells in other parts of the peninsula. 



Geology of Bay County, Mich.: Rept. State Board Geol. Survey for 1905, pp. 137-426. 



Presents records of coal borings in which glacial deposits are conspicuous. 



Water supplies of Bay County, Mich.: Water-Supply Paper U. S. Geol. Survey No. 183, 1906, pp. 115-120. 



Chiefly a discussion of underground waters and especially of flowing wells. 



Geology and physical geography of Michigan: Ninth Rept. Mich. Acad. Sci., 1907, pp. 136-144. 



Gives planimeter measurements of areas between each 100-foot contour based on PI. II, Water-Supply Paper 

 U. S. Geol. Survey No. 182, 1906. 

 Coulter, J. M., Some glacial action in Indiana: Science, vol. 2, 1883, p. 6; vol. 3, 1884, pp. 748-749. 



Gives bearing of glacial stria? near Darlington. 

 Cowles, H. C, The physiographic ecology of northern Michigan: Science, vol. 12, 1900, pp. 708-709; Bot. Gazette, 

 vol. 31, 1901, pp. 73-182. 



The physiographic ecology of a large area at the head of Lake Michigan is discussed with fullness in the 

 Botanical Gazette article. 

 Cox, E. T., Jackson County, Ind.: Sixth Rept. Geol. Survey Indiana, 1874, pp. 41-42. 55-60. 

 Recognizes "Chestnut Ridge" to be morainic and gives well sections aiong it. 



Glacial drift: Combined Eighth, Ninth, and Tenth Ann. Repts. Geol. Survey Indiana, 1876, 1877, and 1878, 



pp. 98-120. 



Discusses glaciation generally and gives an outline of the extent of drift and the direction of the ice movement. 

 Davis, C. A., Bot. Gazette for June, 1898, pp. 453-455. 



Discusses the geologic history of the tract at the head of Saginaw Bay and the several resulting types of soil. 



A contribution to the natural history of marl: Jour. Geology, vol. 8, 1900, pp. 485-503; vol. 9, 1901, pp. 491-506. 



Also Geol. Survey Michigan, vol. 8, pt. 3, 1903, pp. 65-102. 

 Refers the accumulation of marl largely to the genus Chara. 



Flowing wells of part of Oakland County, Mich.: Water-Supply Paper U. S. Geol. Survey No. 182, 1906, pp. 



184-188. Flowing wells and municipal water supplies of the southern part of the Saginaw Bay drainage basin in 

 Michigan: Water-Supply Paper TJ. S. Geol. Survey No. 183, 1907, pp. 121-245. 



These water-supply reports discuss morainic and other glacial features, including the deposits of the glacial 

 lakes, and give numerous well records showing the structure of the glacial deposits. 



Peat deposits of the Ann Arbor quadrangle: Ann Arbor folio (No. 155), Geol. Atlas TJ. S., TJ. S. Geol. Survev, 



1908. 



Briefly discusses the occurrence and uses of peat. 



Peat, essays on its origin, uses, and distribution in Michigan: Rept. State Board Geol. Survey Michigan for 



1906, pp. 93-395. 



Discusses the ecology of peat formation, the formation, character, and distribution of peat bogs in the northern 

 peninsula, and the economics of peat in considerable detail. 



■ Geology of the Walnut Lake region: Ann. Rept. State Board Geol. Survey Michigan for 1907, pp. 164-173. 



Briefly discusses the glacial geology of part of Oakland County, Mich. 



Glacial phenomena in the Marquette region: Ninth Rept. Michigan Acad. Sci., 1907, pp. 132-135. 



Discusses the probable influence of the Huron Mountains on glacial movements. 



Peat deposits as geological records: Tenth Rept. Michigan Acad. Sci., 1908, pp. 107-112. 



Considers the varying rate of peat growth in the light of geologic conditions and directs attention to submerged 

 peat beds on the Atlantic coast. 



