INDEX. 



80U 



Pag 



Livingston County, 111., altitude of 10 



general features of 664-665 



table of wella in 667-668 



wellsin 664-668 



Lobes, relation of the Illinois and Iowa ico 151-153 



Lockport limestone, mounds of 1** 



Loda, 111., wells at 002 



Loess, ceolian 183-184 



analyses of 158-164 



.of. 



leached, beneath the Wisconsin drift 187-188 



mode of deposition of 176-184 



list of fossils of the 168-174 



relation of bluff to upland 182-183 



relation of gummy clay to 31 



Logan County, 111., altitude of 10 



general features of 79 ' 



knolls in 75 



wellsin 707-709 



Lombard, 111., wells at 593 



Long Grove, Iowa, bowlders near 147-148 



Logootee, Ind., drift border at 36,69 



Lost Creek, effect of glaciation on ■ ■ • 480 



Louisville, 111., well at 758 



Loveless, James, well section of 01 



Lowder, 111., wells near 725 



Ludlow, 111., wells near 702 



Lynn Center, 111., wells near 025 



M. 



Mackinaw, 111., wells at 692 



Mackinaw River, gravel deposit on 273 



terrace on 211-212 



terrace in valley of 273-274 



topography between Illinois Eiver and 251-252 



topography east of 252-254 



topography near 282 



watershed of ol * 



Macomb, 111., well at 685-686 



Macon, 111., drift at- 203 



well at 729 



Macon County, 111., altitude of 1° 



general features of 



wells in 



Macoupin County, general features of 742 



wells in lii-Ui 



Macoupin Creek, watershed of 522 



Madison County, 111., altitude of 1° 



general features of 748-749 



727-7^-1 



till i 



748-750 



Mahomet, 111., outwash at 237 



wells and exposures at and near 216-217, 703 



Manchester, 111., wells near 722 



Manistee, Mich., drift at 13 



Mansfield, 111, well at 70 ' 4 



Manvaise Terre Creek, watershed of 521-522 



Marcy, Oliver, section of beach taken by 450 



shells collected by : m 



Marengo, 111., wells at... 577 



Marengo Ridge, gravel plain on inner border of 2 95 



Maren"o Ridge moraine, correlations of 295-296 



distribution of 2 "0-291 



relief of 29L 



structure of the drift in 293-294 



thickness of the drift in 292-293 



Page. 



Marengo Ridge moraine, topography of 291-292 



Marion, 111., wells near ■»• ■ 78 1 



Marion County, 111., altitude of 11 



general features of 758-759 



wells hi 758-760 



Maroa, 111. , wells at '- 72 » 



Marseilles, 111., wells at 038 



Marseilles moraine, altitude of 309 



distribution of 307-308 



structure of drift of 312-313 



thickness of drift along 311-312 



topography of 309-311 



Marsh, G. C, Information furnished by 397 



Marshall, W. L., report on Chicago Outlet mentioned 419 



Marshall, 111., exposure of Sangamon soil at 129 



wells at 73 * 



Marshall County, 111., altitude of 10 



bowlders in 2r ' 9 



general features of 668-669 



wells i n 668-669 



Martin County, Ind., changes of drainage in 102 



drift border in 36 



Martinton,Ill., wells at 656 



Mascoutah, 111., coal shaft at "64 



Mason, 111., wells at and near 689,754 



Mason County, 111., altitude of 10 



general features of 



wellsin 



Material in the abandoned channel of the Mississippi 93-94 



Matteson, 111., wells near 590 



Mattoon.IU., section of drift in coal shaft at 202 



wells at 73 5 



May view, 111., wells near 



May wood, 111., wells near 



Mazon, 111., wells at 047 



Mazon Creek, watershed of 508 



McCuen, W., well section of 57 



McDonough County, 111., altitude of 10 



general features of 085 



wellsin 685-686 



McGee, W .1, cited on border of lowan drift 144, 146 



cited on gumbo 31 



cited on the drainage systems of eastern Iowa. . 91 



cited on the relation of the lllinoian to the 



lowan drift 25 



cited on the relation of the Illinois and Iowa ice 



lobes 151-152 



McGee, W J, and Calvin, S., cited on lowan and 



Kansan sheet of northeastern Iowa 139 



McGee, W" J, and Udden, J. A., cited on the displace- 

 ment of the Mississippi 90 



McHenry County, 111., altitude of 9, 575 



situation and area of 575 



wellsin 575-579 



McKee's Creek, watershed of 521 



McLean County, 111. , altitude of 10 



buried soil in 265 



general features of 692-693 



588-589 



ridg 



L'41 



table of wells in 691 



wellsin 214-215,092-69' 



McLeansboro, 111., wells at 77; 



McWendle, "William, information furnished by 38 



Mead, Daniel W., information furnished by 57 



well records from report of 55 



Medora. 111., coal boring at 74 



