Produced by David Edwards, Joanna Johnston and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images generously made available by The Internet Archive)

Wisconsin Geological and Natural History Survey.

The Geography of the Region about Devils Lake and the Dalles of the Wisconsin

E. A. BIRGE, Director. C. R. VAN HISE, Consulting Geologist. BULLETIN NO. V. EDUCATIONAL SERIES NO. 1.

The Geography of the Region about Devils Lake and the Dalles of the Wisconsin

THE GEOGRAPHY OF THE REGION ABOUT DEVIL'S LAKE AND THE DALLES OF THE WISCONSIN, With Some Notes on Its Surface Geology.

The Geography of the Region about Devils Lake and the Dalles of the Wisconsin

ROLLIN D. SALISBURY, A. M., _Professor of Geographic Geology, University of Chicago,_

WALLACE W. ATWOOD, B. S., _Assistant in Geology, University of Chicago._

MADISON, WIS. Published by the State. 1900.

Wisconsin Geological and Natural History Survey.

-------------------------------------------------------------------

L. D. HARVEY, State Superintendent of Public Instruction.

CHARLES K. ADAMS, President, President of the University of Wisconsin.

EDWIN E. BRYANT, Vice-President, President of the Commissioners of Fisheries.

CHARLES S. SLICHTER, Secretary, President of the Wisconsin Academy of Sciences, Arts, and Letters.

--------------------------------------------------------------

E. R. BUCKLEY, Assistant Geologist. In charge of Economic Geology.

S. WEIDMAN, Assistant Geologist. In charge of Geology of Wausau District.

[Illustration: THE DALLES OF THE WISCONSIN.]

---------------------------------------------------------

PART I. THE TOPOGRAPHY WITH SOME NOTES ON THE SURFACE GEOLOGY.

I. The Plain Surrounding the Quartzite Ridges.

The Structure and Constitution of the Ridges

III. Relations of the Sandstone of the Plain to the Quartzite of the Ridges

OUTLINE OF THE HISTORY OF THE ROCK FORMATIONS WHICH SHOW THEMSELVES AT THE SURFACE.

I. The Pre-Cambrian History of the Quartzite

Uplift and Deformation. Dynamic Metamorphism

GENERAL OUTLINE OF RAIN AND RIVER EROSION

Topographic Forms resulting from Stream Deposition

EROSION AND THE DEVELOPMENT OF STRIKING SCENIC FEATURES

Erosive Work of Ice. Effect on Topography

Deposition by the Ice. Effect on Topography

The Slope of the upper Surface of the Ice at the Margin

Deposits made by extraglacial Waters during the maximum Extension of the Ice

Deposits at and beyond the Edge of the Ice in standing Water