CONTENTS. 
DR. J. G. NORWOOD’S REPORT. 
DESCRIPTIGN OF THE GEOLOGY OF MippLE AND WESTERN MINNESOTA ; including the country 
adjacent to the Northwest and part of the Southwest Shore of Lake fe eit illustrated if 
numerous General and Local Sections, Wood-cuts, and a Map, ‘ 
CHAPIER ii: 
Bounparies AND TopoGRaApHIcaL Notices, 
CHAPTER IL. 
Descriptive CATALOGUE oF Rocks, 
CHAPTER IIL 
EXPLoRATIONS IN 1847 AND 1848, 
CHAPTER IV. 
_ GEOLOGY OF THE NoRTHWEST AND WESTERN PorTION oF THE VALLEY or LAKE SUPERIOR, 
COL. WHITTLESEY’S REPORT. 
Description oF Part or Wisconsin, Sourm or Lake Superior; together with Observations 
incidental thereto, . ‘ : ‘ : . ‘ : 
CBA 2 TR: 1. 
Sect. I. General Geology of the District, . 
Secr. II. Physical Aspect of the Bad River Country, . 
Sect. III. Description of the Country between Bad River and ‘He Bru 16, 
Srcr. IV. Copper Veins; their Geological Position and Promise of Productiveness in Wien 
Srcr. V. Detailed Sections, ae : ; ; : : 
Sect. VI. Magnetic Iron Beds of Pentlis Hales : ; K E ; p 
Sect. VII. Iron Ridge of Dodge County, é 
CHAPTER 11. 
DESCRIPTION OF THE COUNTRY BETWEEN THE WISCONSIN AND MENOMONIE Rivers, 
CHAPTER IIL 
Rep Cuay AND Drirr of WISCONSIN, AND ARTESIAN WELLS THEREIN, 
CHAS TER .LN; 
REMARKS ON BAROMETRICAL AND THERMOMETRICAL OBSERVATIONS, : . 
215 
425 
452 
462 
467 
