758 



GEOLOGICAL SURVEY OF WISCONSIN. 



Diggings — continued. 



Wcegler & Co., 735. 



Yellowstone, 789. 



Zug, 701. 

 Districts, Eastern Wisconsin, 94. 



Central Wisconsin, 409. 



Lead region, 645, 689. 

 Dodge ooiinty, 143, 170, 271. 



drift in, 203, 215. 



St Peters sandstone, 286, 287. 



iron ore, 328. 

 Dodgeville district, 730, 748. 

 Dolomite (see Limestone), 29, 339, 693. 

 Domes of rock, 202. 

 Door county, 225, 368. 

 Dorward's Glen, 511. 

 Dover, elevations, 109. 

 Drainage, Eastern Wis., 128. 



Central Wis., 413. 



Lead region, 652. 



Changes in, 174, 657. 

 Drift, Eastern Wis., 199-239. 



Central Wis., 608-632. 



Lead region, 665. 

 Driftless region, 608, 632, 665. 

 Drift soils, 189. 

 Duck Creek, building stone, 308. 



Galena limestone, 312. 

 Dunes, 233. 

 Dunkirk, elevations, 454. 



Lower Magneeian Umestone in, 548. 



Trenton limestone in, 558. 

 Dunn, elevations, 436. 



Lower Magnesian limestone in, 548. 



E. 



Eagle, elevations, 109. 



cranberries, 186. 



drift, 209-211-212. 



Cincinnati shale, 316. 



Niagara hmestone, 340, 342. 

 East Troy, elevations, 109. 



Castleman's quarry, 203, 359. 

 Eastern Wisconsin district, 91. 



Aoknowled§;ments, 93. 



Extent of district, 94. 



Previous pubhcationg relating to tlie 

 region, 95. 



Topography, 97. 



Elevations, 106. 



Hydrology, drainage, 128. 



Origin and geological relations of 

 lakes, 137. 



Water supply, 141. 



Artesiaji weUs, 149. 



Water power, 171. 



Changes in drainage, 174. 



Native vegetation, 176. 



Soils, 188. 



Quatemajy formations, drift, 199. 



Glacial drift. Kettle Range, 205. 



Bowlder Clay or Till, 217. 



Modified drift, Champlain, Beach For- 

 mation A., 219. 



The Ijower Red Clay, 221. 



Beach Formation B., 224. 



Eastern Wisconsin district — conlinrnd. 

 Upper Red Clay, 225. 

 Beach Formations C. and D., and Mod- 

 ified Red Clay, 226. 

 Terraces, 228. 

 Lake encroachmentj 230. 

 Dunes, 238. 



Erosion and deposit in progress, 233. 

 Industrial value of drift, 234, 

 Brick, 235. 

 SheU mari, 239. 

 Peat, 240. 



Table of formations, 347. 

 Archaean formations, 248-256. 

 Lower Silurian. Potsdam sandstone, 



257-267. 

 Lower Magnesian Umestone, 268-285. 

 St. Peters sandstone, 28.5-290, 

 Trenton limestone, 290-305 

 Galena Hmestone, 305-314. 

 Cincinnati shales and limestone, 314, 



826. 

 Upper Silurian. CHntou iron ore, 327, 



335. 

 Niagara limestone, 335-389. 

 Lower Holderberg, 390-394, 

 Hamilton cement rock, 395-405. 

 Eaton, elevations, 109. 

 Eaton, Prof. J. H., 49, 412, 504, 594. 

 Eau Claire river, 486. 

 Economic considerations, drift, 234-630. 

 Archaean formations, 465. 

 Potsdam, 545. 



Lower Magnesian limestone, 284, 554. 

 St. Peters sandstone, 290. 

 Trenton limestone, 804, 652, 683. 

 Galena Hmestone, 307, 683. 

 Cincimiati shales, 316. 

 Clinton iron ore, 327. 

 MayviUe beds, 340. 

 Lower coral beds, 349. 

 Waukesha, Racfiie and Guelph beds, 



380. 

 Lower Helderberg, 394. 

 Hamilton cement rock, 400-405, 

 Eden, elevations, 109. 



Niagara Umoetone in, 344r-346. 

 Edgerton, 338. 

 Edgerton, B. H., survey, 14. 

 Egg Harbor, 204, 228. 

 elevations, 109, 229. 

 Elevations, Eastern Wisconsin, 106. 

 Central Wisconsin, 428. 

 Lead region, 650. 

 Oconto county, 14. 

 of lakes, 23, 24. 

 of summits, 24. 

 of beach ridges, 228, 229. 

 of junction St. Peters ajid Trenton, 169 

 R. R., 16-28. 

 Madison to Eboy, 429. 

 Ebroy to Merrillon, 430, 

 Waterloo to Madison, 430. 

 Edgerton to Black Earth, 430, 

 Camp Douglas to Randolph, 431. 

 Tomah to Wausau, 431. 

 Amherst to MerriUon, 482. 



