INDEX. 



805 



Page. 



Gas wells in Illinois 557 



Geikie, James, cited on naming of glacial deposits.. 19 



Geneseo, 111., well at 623-624 



Geneva, 111., wells at 597-598 



Genoa, 111., wells at 601 



Gibson, 111., wells at 663 



Gibson County, Ind., cbange of drainage in 97,98 



drift border in 35,39,40 



Giffbrd, 111., wells near 702 



Gilbert, G. K., cited on uplift of Niagara outlet 453 



reference to 8 * 



Gilniau, 111., drift sheets at I* 2 



wells at 658 



Gilmer, 111., well at ' 581 



Girard, III., wells at 7 * 3 



Glacial boundary 34-37,144 



Glacial deposits, Chamberlin on names of 19, 20 



geographic names applied to 19-20 



in St. Louis County, Mo 64-65 



near Plummer's Creek 69-70 



Glacial history, outline of 20 ~ 21 



Glacial stria? 84-88,105,140-141 



Glacial waters, extent on the borders of the Missis- 

 sippi River I 81 



Gladstone, 111., soil analysis at I s1 



Glasgow, 111., wells near 722,766 



Glavin, , elevations determined by 433 



measurements of erosion of Lake Michigan fur- 

 nished by 458 



Gleenwood Beach, description of 428-442 



Glen wood, 111. , wells near 59 ° 



Goble3, Mich., altitude near 350 



moraine near, description of 350 



well near 366 



Godfrey, 111., wells at 7i9 



Golconda. 111., wells at 787 



Golden Gate Station, 111., wells near 77 5 



Good Hope, 111., well at 686 



Gooding, William, report npon the survey of the 



Illinois River, mentioned 418 



Goose Lake C hannel 145 



Gordon, C. H., cited on preglacial channel of the 



Mississippi River 469 



cited on the bowlder bed at Keoknk 95 



cited on " Yellow banks " section 94 



Gossert, S. D., information furnished by 616 



Grand Detour, 111., wells at 606 



Grand Fork, 111., wells at 7 =0 



Grand Junction, Mich., altitude of rock surface 



near 350 



349 



moraine near 



well at 364 



Grand Ridge, topography near 260-261 



Grand Tower, 111., barrier ridge near 14 



Gray ville. 111., wells at 777 



Great Bear Lake, topography near 348 



wells near 365 



Greene County, 111., altitude of 11 



cbange of drainage in 102,103 



general features of 7 44 



wells in .' 744-755 



Greene County, Ind. , drift border in 36 



strife in 87 



Greenfield, 111., wells at 7 45 



Greenleaf, J. L., cited on descent in the lower rapids 



of the Mississippi River 470 



Page. 

 Greenleaf, J. L., cited on the area of the watersheds 



of the Illinois River 496-497 



estimate of discbarge through Rock River Val- 

 ley 489 



Green River, age of the channel of 493 



course of 492-493 



Green River Basin, erosion in 492 



gravel plain at head of 277 



loess in 7 93 



sand deposits near 277 



Greenup, III., wells at "37 



Green Valley Village, 111., wells at 692 



Greenville, 111., soil analysis at 162 



wells at 751 



Griggsville, 111., wells at and near 63,720 



Griswold, 111., wells at 607 



Gruudy County, HI., altitude of 10 



genet al features of 645-646 



wells in 645-648 



Gumbo, extent of 28-33 



origin of M-30 



time relations of 30 



H. 



Hainesville, HI., wells at 581 



Hallsville, 111., wells at 706 



Hamilton , HI., drift above 58 



sect ion in well south of 57 



stria? near 105 



wells at 683 



Hamilton County, 111., altitude of 11 



general features of 777-778 



wellsin 777-77S 



Hammond, Ind., thickness of drift at 392 



Hampshire, HI., wells near 594 



Hancock County, 111., altitude of 10 



general features of 681-682 



table of wells in 



wells in 



Hansel, Charles, information furnished by 



Hardin County, HI., altitude of 



Harman, J. H., information furnished by 



Harrington, Mark W., cited on the currents of Lake 



Michigan 



Harrison Harlan's, well at 



Harristown, 111., wells near 



Hartsburg, HI., well at 



Harvard, 111., well at 



Harvey, 111., well at 



Haubstadt, wells near 



Havana, 111., wells at 



Hazelhnrst, HI., wells at 



Hazelhnrst esker, description of 



drift at 



knolls near 



Hecker, 111., wells near 



Henderson County, 111., altitude of 



general features of 



wells in 



Henderson River, course of 



Hennepin, 111., well at 



Henry, 111 ., wells at 



Henry County, 111., altitude of 



general features of 



table of wells in 



