760 



GEOLOGICAL SURVEY OP 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. 



stri£e, 200, 201, 205, 625. 

 Glass rock, 291, 695. 

 Glass sand, 290, 558, 546. 

 Glauconite, 29, 259, 261, 536. 

 Gneiss (see Archaean rocks), 463, 501. 

 Gold, 27, 466. 

 Gouge, 691. 

 ■ Government surveys, 24. 

 Grafton, elevations, 112. 



Niagara limestone in, 362, 372, 877, 

 379. 

 Grand Chute, springs, 148. 

 Granite (see Archsean 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, 879. 



Lower Helderberg Umestone, 891. 



Hamilton cement rock, 339. 

 Grant river, 656. 

 Graphite, 27. 

 Gray. Hon. H. H., 742. 

 Green Bay, 137, 318, 384. 



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, 801. 

 Green Rock, 291, 695. 

 Greenbush, elevations, 113. 



drift in, 211. 

 Greenfield, elevations, 113, 446. 



Niagara Kmestone in, 362, 369, 872. 



lime, 882. 



quartzite, 504. 



general description, 594. 

 Guelph limestone, 835, 377-383, 384. 

 Gypsum, 29, 315, 319. 



H. 



Hackett's district, 659. 



Hagerman, J. J., 470. 



HaU, 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 Magnosian limestone in, 

 547. 



St. Peters sandstone in, 556. 



Trenton limestone in, 558. 

 Harmony, elevations, 114. 

 Hartford, elevations, 114, 213. 



sj)rmg8 in, 149. 



Cincinnati shales in, 317. 



iron ore in, 382. 



Niagara limestone in, 340, 343. 

 Haven, Geo., 55, 65. 

 Hebron, elevations, 114. 



cranberries, 186. 

 Helderberg, Lower, 79, 890. 

 Hematite, 28, 829, 693. 

 Henry, W. T., 680. 

 Herman, elevations, 114. 



springs in, 148, 149. 



drift in, 215. 



Cincinnati shales in, 318. 

 Highland district, 728, 749. 

 Hiner, Hon. W. H., 153. 

 History of previous surveys, 67. 

 Hitt, H. D., 155. 

 Hogsbaclis, 207. 

 Holden's Lake, 189. 

 Holland, elevations, 114. 

 Honey Creek (Walworth county), 129. 



(Sauk county), 591. 



elevations, 446. 



quartzite, 518, 504. 



Potsdam sandstone, 582, 584. 



Lower Magnesian limestone, 552. 

 Hood, G. R., 328. 

 Horicon marsh, peat, 343. 



Niagara limestone near, 344. 

 Hornblende (see Archsean rocks in text) 



28. 

 Hortonla springs, 142, 148, 149. 



Lower Magnesian limestone, 277. 

 Hoy, Dr. P. R,, 96, 130, 163, 234, 821. 

 Hoyt, Dr. J. AV., 96. 

 Hovey, W. A., 594. 

 Hubbard springs, 149. 



u'on ore, 828. 

 Hubbs, Rev. G. S., 253. 

 Humphreys, Gen. A. A., 61. 

 Hunt, Dr. H., 186. 

 Hunt, Dr. T. S., 536. 

 Hunter, Geo., fountain of, 151. 

 Huronian, 251, 465. 

 Hutcliinson, K. M., 156. 

 Hutcliinson, Hon. C., 744. 

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



670. 

 Hydrocaxbon compounds, 29. 

 Hydrology, 128. 

 Hydrozincite, 28. 



Industrial value, see Economic consid- 

 erations. 

 Introduction to report of Central Wis., 

 409. 

 Eastern Wis., 93. 

 Lead region, 645. 



