T60 



GEOLOGICAL SURVEY OF WISCONSIN. 



Gillette, elevations, 112. 



Gillet, E. J., 153. 



Gillmore, Gen. Q. A., 283, 401, 405. 



Glacial drift, 205, 630, 665. 



features, 98, 130, 131, 137, 139, 199. 



lakes, 139. 



movements, 199. 



striae, 200, 201, 205, 625. 

 Glass rock, 291, 695. 

 Glass sand, 290, 558, 546. 

 Glauconite, 29, 259, 261, 536. 

 Gneiss (see Archcean rocks), 463, 501. 

 Gold, 27, 466. 

 Gouge, 691. 



Government surveys, 24. 

 Grafton, elevations, 112. 



Niagara limestone in, 362, 372, 377, 



379. 



Grand Chute, springs, 148. 

 Granite (see Archaean formations), 248, 

 463, 501, 521. 



intrusive, 463. 



Marion, 552. 



Mukwa, 248. 

 Grand Rapids, 133, 284, 471, 477, 530, 



546, 564. 

 Granville, elevations, 112. 



Niagara limestone in, 365, 377, 379. 



Lower Helderberg limestone, 391. 



Hamilton cement rock, 339. 

 Grant river, 656. 

 Graphite, 27. 

 Gray. Hon. H. H., 742. 

 Green Bay, 137, 318, 334. 



elevations, 113. 



Artesian wells, 150. 



peninsula, 201, 202, 204, 342, 346, 363. 



valley, 99, 129, 199, 200-202, 223. 



valley, cause of, 101. 



river system, 129, 132. 

 Green Lake, 138, 139, 266, 529. 



county, 578. 



county, drift in, 217. 



Potsdam sandstone in, 264. 



Lower Magnesian limestone in, 272. 



St. Peters sandstone in, 289. 



Trenton limestone in, 301. 

 Green Rock, 291, 695. 

 Greenbush, elevations, 113. 



drift in, 211. 

 Greenfield, elevations, 113, 446. 



Niagara limestone in, 362, 369, 372. 



lime, 382. 



quartzite, 504. 



general description, 594. ' 

 Guelph limestone, 335, 377-383, 384. 

 Gypsum, 29, 315, 319. 



H. 



Hackett's district, 659. 



Hagerman, J. J M 470. 



Hall, Prof. J., 69, 95, 351, 411, 504, 527, 



528, 545, 559, 649, 687. 

 Hamilton cement rock, 395, 405. 

 Hamilton, or Lower Helderberg?, 79. 



Hampden, Lower Magnesian limestone in, 



547. 



St. Peters sandstone in, 556. 

 Trenton limestone in, 558. 

 Harmony, elevations, 114. 

 Hartford, elevations, 114, 213. 

 springs in, 149. 

 Cincinnati shales in, 317. 

 iron ore in, 332. 

 Niagara limestone in, 340, 343. 

 Haven, Geo., 55, 65. 

 Hebron, elevations, 114; 



cranberries, 186. 

 Helderberg, Lower, 79, 390. 

 Hematite, 28, 329, 693. 

 Henry, W. T., 680. 

 Herman, elevations, 114. 

 springs in, 148, 149. 

 drift in, 215. 



Cincinnati shales in, 318. 

 Highland district, 723, 749. 

 Hiner, Hon. W. H., 153. 

 History of previous surveys, 67. 

 Hitt, H. D., 155. 

 Hogsbacks, 207. 

 Holden's Lake, 139. 

 Holland, elevations, 114. 

 Honey Creek (Walworth county), 129. 

 (Sauk county), 591. 

 elevations, 446. 

 quartzite, 518, 504. 

 Potsdam sandstone, 532, 534. 

 Lower Magnesian limestone, 552. 

 Hood, G. R., 328. 

 Horicon marsh, peat, 343. 



Niagara limestone near, 344. 

 Hornblende (see Archaean rocks in text) 



28. 

 Hortonia springs, 142, 148, 149. 



Lower Magnesian limestone, 277. 

 Hoy, Dr. P. R., 96, 130, 163, 234, 321. 

 Hoyt, Dr. J. AV., 96. 

 Hovey, W. A., 594. 

 Hubbard springs, 149. 



iron ore, 328. 

 Hubbs, Rev. G. S., 253. 

 Humphreys, Gen. A. A., 61. 

 Hunt, Dr. H., 136. 

 Hunt, Dr. T. S., 535. 

 Hunter, Geo., fountain of, 151. 

 Huronian, 251, 465. 

 Hutchinson, K. M., 156. 

 Hutchinson, Hon. C., 744. 

 Hydraulic lime, 284, 285, 305, 341, 400 



670. 



Hydrocarbon compounds, 29. 

 Hydrology, 128. 

 Hydrozincite, 28. 



I. 



Industrial value, see Economic consid- 

 erations. 

 Introduction to report of Central Wis., 



409 



Eastern Wis., 93. 

 Lead region, 645. 



