764 



GEOLOGICAL SURVEY OF WISCONSIN. 



Newbury, Prof. J. S., 81, 396. 



New Cassel, 350. 



New Denmark, 120. 



New Diggings district, 710, 746. 



New Holstein, 130. 



New London, 142, 280. 



New Lisbon, 568. 



Newton, 120. 



Niagara Limestone in eastern Wis., 335 



in Lead Region, 686. 

 Niccolite, 28. 



Nip and-Tnck district, 695. 

 Norway, 120. 



o. 



OakCreek, 120, 121. 



Oak Grove, 121. 



Oakfleld. Artesian Wells, 150. 



Niagara Uinestone in, 344, 346, 347. 

 Oakland, elevations, 121, 170. 

 Cranberries, 186. 

 Trenton limestone in, -301. 

 Observatory Hill, Quartz-porphyry, 619. 

 Oconomowoc, elevations, 121. 

 River, 136, 

 Lakes, 140. 

 Cranberries, 186. 

 O'Connor, C, 151. 

 Oconto County, Brook's survey, 60. 

 River, 132, 133. 

 Lower Magnesiaa limestone in, 271. 

 Oconto Falls, 281, 285. 

 Oolitic Structure, 269, 550. 

 Openings, definition, 327, 690. 

 Oregon, elevations, 484. 



St. Peters siuidstone in, 566. 

 Trenton limestone, 558. 

 Ores, 679, 683. 

 Organization, 6. 

 Orthocliise, 28. 



See also descriptions of Archsean rock. 

 Org;anic Remains, see Fossils. 

 Origin, of Lakes, 138. 

 of Kettle Range, 213. 

 of Kettles, 214. 

 Osceola, 121. 



Oshko.sh, Ai-tesian Wells, 150, 151, 156. 

 Building Stone, 308. 

 Galena limestone, 310. 

 Ottawa, 145, 316. 

 Springs, 149. 

 Cranberries, 186. 

 Drift, 211. 



Niagara limestone in, 342. 

 Otter Lake, 139. 

 Otsego, 584. 



elevations, 443. 



Lower Magnesian limestone, 547. 

 Outagamie County — 



Potsdam sandstone in, 264. 

 Lower Magnesiaji Mmestone in, 271. 

 Owen, Dr. D. D., 68, 95, 268, 410, 527-528, 



535,502,647. 

 Oxygen Compounds, 28. 

 Ozaukee, see Port Washington. 



Packwaukee, 546, 679. 

 Paint Works, Blue river, 722. 

 Palmyra, 316. 



elevations, 121, 213. 

 Artesian well, 151, 161. i 

 drift, 209, 211. 

 springs, 31, 145, 147. 

 Paleontology (see Fossils). 

 Paris, 121. 



Part I, Annual reports, 1. 

 Part II, Eastern Wisconsin, 91. 

 Part III, Central Wisconsin, 407. 

 Part IV, Lead region, 643. 

 Passage beds, see Transition. 

 Peat, 29, 240, 664. 

 Peninsula, see Green Bay. 

 Pentenwell Eock, 672. 

 Pensaukee, elevations, 121, 122. 

 Galena limestone, near, 313. 

 Percival, J. G., 68, 95, 250, 410, 504, 523, 



528, 542. 647. 

 Peshtigo, river, 132, 134. 

 Cranberries, 186. 

 Potsdam sandstone on, 267. 

 Lower Magnesian limestone on, 283. 

 Trenton limestone on, 303. 

 Petroleum, 29. 

 Pewaukee, elevations, 122. 

 lake, 140. 

 strise, glacial, 200. 

 Cincinnati shale, 317. 

 beds (Waukesha), at, 346. 

 Niagara limestone in, 358. 

 lime, 381. 

 Pecatonica river, 655. 

 Phlogopite, 28. 

 Pierce, elevations, 122. 



Niagara limestone in, 354. 

 Pigeon Lake, 140. 

 Pike River, 130. 

 Pilot Knob, 676. 

 Pine Bluff, 250, 620. 

 Pine Knob, 677. 

 Pipeclay, opening, 695. 

 Pipeclay, 691. 

 Pitts Mill, 491. 



Platteville, mining district, 719, 744. 

 Platte River, 666. 

 Platte Mounds, 661, 686. 

 Pleasant Lake, 139. 

 Pleasant Prairie, 122. 

 Pleasant Springs, 600. 

 elevations, 436. 



Lower Magnesian limestone in, 548. 

 Trenton limestone in, 558. 

 Plover, 481. 

 Plumbago, 27. 

 Plymouth, 568. 



elevations (Sheboygan county), 122. 

 drift, 211. 

 Pockets, 690. 

 Polk, 122. 



Pompey's Pillar, 677. 

 Porpliyry, 249, 250, 251, 519-521. 

 Portage County, 461, 529, 541, 563. 



