INDEX. 



Too 



Cedarburg, elevations, 108. 

 spring, 108, 149. 

 building stone, 383. 

 Niagara liinestone at, 362, 378, 379. 

 Celestite, 29. 

 Cement Rock, 295-406. 

 Center, elevations, 108. 



Trenton limestone in, 303. 

 Centerville, elevations, 109. 



Drift in, 228. 

 Centerville District, 722. 

 Oentralia, 475, 530. 

 Central Wisconsin, report on, 407-639. 

 District, 410. 

 Area of, 409. 



Surface features, 413, 424. 

 River systems, 413. 

 Watersheds of, 424. 

 Former drainage of, 426. 

 Relations of topography to geology, 



447. 

 Geological formations of, 448. 

 Drift and driftless areas, 448. 

 Vegetation and soils, 449. 

 Topographical subdivisions, 453. 

 General geological structure of, 457. 

 Archsean rocks of, 461-524. 

 .Lower Silurian rocks of, 525-607. 

 Potsdam sandstone of, 525-547. 

 Lower Magnesiaji limestone of, 547- 



555. 

 St. Peters sandstone of, 555-558. 

 Trenton limestone of, 558-562. 

 Galena limestone of, 562. 

 Local details, Silurian formations, 



663, 607. 

 Quaternary deposits, 608-632. 

 Microscopic Uthology, 637-639. 

 Cerussite. 29, 694. 

 tJhalcopyrite, 28, 693. 

 Chalcosite, 28. 

 Chalybeate Springs, 148. 

 Chamberlin, J. H., v., 52, 93, 106. 

 Chamberlin, T. C, 6, 44, 46, 64, 65, 66, 

 71, 85, 427, 502, 504, 506, 621, 542, 543, 

 558, 5.57, 559, 673. 

 Party of, 1873, 8. 

 Party of, 1874, 51. 

 Champlain, 219, 224. 

 Chandler, Dr. C. F., 146, 165. 

 Charlestown, elevations, 109. 

 Chert, 268. 

 ChUton, 109, 223. 

 Chimneys, 690. 

 Christiana, elevations, 170, 4db. 



Trenton limestone in, 558. 

 Cincinnati Group, in Eastern Wisconsin, 

 314^326. 

 in Lead region, 685. 

 Fossils in, 315, 320. 

 Clark County, general, 563, 



Special references, 461, 629, 541. 

 Clay Banks, elevations, 109. 

 Clear Lake, 140. 

 Clifton, 137. 



Bnck made at, 2d». 

 Cincinnati formation at, ol8. 



Clifton, Niagara limestone at, 339. 

 Clinton, elevations, 109. 



Iron ore deposit, 327-335. 

 Clyman, elevations, 109. 

 Coal, 316, 317. 

 Cobb, J. M., 171. 

 Cold Spring, elevations, 109. 

 Columbia County, general, 579. 



Special references, 629, 632, 584, 647, 

 558. . > . , 



Columbus, elevations, 442. 



Lower Magnesian hmestone in, 647. 



St. Peters sandstone in, 656. 

 Como Lake, 139. 

 Comstock, Gen. C. B., 61, 104. 

 Conant's Kapids, 478, 664. 

 Concord, elevations, 109. 



Cranberries in, 186. 

 Conglomerate, 254. 

 Conover, A. D., v, 9, 661. 

 Cooperstown, elevations, 109. 



Niagara hmestone, 350, 354, 383. 

 Copper, 27, 210, 619. 



Carbonate, 28. 



in Lead Region, 741. 

 Copperas, 29. 

 Coral Beds, Upper, 385, 851, 357, 384. 



Lower, 336, 348, 361, 384. 

 Coral Reefs, 369-371. 

 Cottage Grove, 600. 



Elevations, 437. 



St.Peters sandstone in, 556. 

 Courtland, elevations, 444. 



Lower Magnesian hmestone in, 647. 



St. Peters sandstone in, 666. 



Trenton limestone in, 558. 

 Cranberries, 182, 186, 187. 

 Crawford, J. W. T., 9. 

 Crevice, 689. 

 Cross Plains, elevations, 486. 



St. Peters sandstone in, 666. 



Trenton hmestone in, 559. 

 Cuprite, 28. 

 Current, along shore of Lake Michigan, 



180, 132. 

 Cyanite, 29 



D. 



Dale, elevations, 109. 

 Dalles of the Wisconsin, 670. 

 Dana, Prof. J. D., 79, 370. 

 Dane, elevations, 170, 440. 



Lower Magnesian in, 547. 



County, general, 597. 



Special references, 529, 534, 558. 

 Daniells, Prof. W. W., analyses by, 6, 60, 



64, 72, 284, 285, 339, 345, 881, 680. 

 Daniels, Edward, 68, 69, 95, 647. 

 Darien, 206. 



elevations, 109. 

 Darlington, 681. 

 Darwin, Chas., 370. 

 Davies, Prof J. E., 26, 6. 

 Davis, W. N., 168. 

 Day, Dr. F. H., 369, 371. 



