X ' GEOLOGICAL SURVEY OF WISCONSIN. 



PAET II. 

 GEOLOGY OP EASTERN WISCONSIN. 



by t. c. chambeklin. 



ackkowlbdqbments, 

 Extent of District, 

 Previous Publications Relating- to the Reqiok-, - °^ 



CHAPTER I. — TOPOGRAPHY. 



Preglaciai Features — Glacial Features — Postg^cial Features — General Slopes — Pe- 

 culiar Diagonal Valley — The Fox River- Its Commercial Importance — Origin — 

 Rook River Valley— Peculiarities of its Course — Commercial Importance — Valley 

 of Lake Michigan— Slopes and Dividing Ridges — Kettle ^ange — Slemtions, , 



95-127 



CHAPTER II. — HYDROLOGY. 



Drainage- The Watershed — The Mississippi and St. Lawrence Basins — Peculiar- 

 ities of Streams of Walworth and Adjacent Counties — Of the Pike River — Of the 

 Milwaukee River — Of the East Twin River — Of the Wolf, Oconto, Peshtigo and 

 Menomonee Rivers ^ Of the East Branch of the Rock River— Relationship of some 

 of the Streams on Opposite Sides of the Kettle Range — Geneva Lake and Big Foot 

 Prairie — Delavan Lake and White River— Turtle Creek and Sugar Creek — Bark 

 and Oconomowoc Rivers and the Branches of Cedar Creek — Rubicon River and 

 Cedar Creek — Origin and Geological Relations of the Lakes of Eastern Wiscon- 

 sin—Lake Michigan — Green Bay, Lake Winnebago and the Former Lake Hori- 

 con — Lake Poygan — Lake Puckawa — Green Lake — Rush Lake — Lake Sha- 

 wano — Lake Koshkonong — Glacial Lakes — Moraine Lakes — Minor Lakes — 

 Their Beauty and Value — Geneva, Oconomowoc, Green, Elkhart, Rock, Brown, 

 Clear and Delavan Lakes — Water Supply — Springs — Two General Systems — 

 The Several Geological Horizons — Analyses — Source of Mineral Substances — Medi- 

 cinal Character — Sulphur Springs — Chalybeate Springs— Travertine Springs — Trout 

 Springs — Artesian Wells — Classified According to Source of Flow — Fountains at 

 Fond du Lac — At Taycheedah — In Byron — In Oakfleld — At Oshkosh — In Cal- 

 umet — In Rushford, Aurora and Poysippi — At Watertown — At Palniyi-a — At 

 Whitewater — At Manitowoc — At Western Union Junction — At Racine — At Mil- 

 waukee — At Sheboygan — At JanesviUe — Possibilities of Obtaining Fountains at 

 Other Points — The Three Districts — Elevations of Junction of St. Peters Sand- 

 stone and Trenton Limestone — Water Power — Of Rock River — Of the Fox 

 River — Of the Wolf, Oconto, Peshtigo and Menomonee Rivers — Of Milwaukee, 

 Sheboygan and Manitowoc Rivers — Changes in Drainage, - 128-175 



CHAPTER III. — NATIVE VEGETATION. 



Agricultural Indications — Natural Grouping of Plants — Upland Vegetation, Prairie 

 Group — Oak Group — Oak and Maple Group — Maple Group — Maple and Beach 

 Group — Hardwood and Conifer Group — Pine Group — Limestone Ledge Groups- 

 Comprehensive Group— Marsh Vegetation — Grass and Sedge Group — Heath 

 Group — Tamarac Group— Arbor Vitse Group— Spruce Group — Black Ash Group— 

 YcUow Birch Group — DisirifeMiwra- Cranberries — Native Occurrence — Condi- 

 tions of Success in Culture, 176-178 



