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Date: 1828 

Description: Drawing by Increase Lapham showing the geological profile of the land between Utica and Knob Creek, Kentucky at a scale of 1/2 inch to a mile.

Photograph

Dogtooth Calcite

Date: 2013-11-12 

Description: A dogtooth calcite specimen from the mineral collection of Ferdinand Hotz at the University of Wisconsin Geology Museum. The specimen is approximately thre...

Date: 1830-12-22 

Description: Increase Lapham's drawing of the geological profile between the Sandusky plains and Portsmouth, Ohio.

Date: 1953-06-31 

Description: Professor Richard C. Emmons of the University of Wisconsin Geology Department who is holding a gem case of glass replicas of 10 of the largest and best-kno...

Date: 1874 ca.

Description: A hand-colored, geological map of Wisconsin show the progress of the state geological survey in 1873 and 1874. Other elements displayed in the map include...

Date:  date unknown

Description: Geological Map of the lead regions in Wisconsin, Illinois and Iowa.

Learn about the origin, and the many spellings and multiple meanings of "Wisconsin."

Photograph

Hematite Fan

Date: 2013-11-12 

Description: A hematite fan, approximately six inches in length, from the mineral collection of Ferdinand Hotz at the University of Wisconsin Geology Museum. This speci...

Map or Atlas

State of Wisconsin

Date: 1931 

Description: This U.S. Geological Survey map of Wisconsin shows counties, cities and villages, lighthouses, Indian reservations, military reservations, and bird and gam...

Date: 1938 

Description: Curtiss-Wright Condor biplane named "William Horlick" outfitted with skis for use during Adm. Richard E. Byrd's second Antarctic expedition, 1933-35. The...

Photograph

Charles Whittlesey

Date: 1858 

Description: Studio portrait of geologist Charles Whittlesey dressed for a field trip.

Date: 1912 

Description: This map is pen, ink, and pencil on tracing paper. The map was traced from U.S. Geological Survey map of Wisconsin, compiled in 1910-1911, and printed in 1...

Date: 1917 

Description: A geological survey map that shows the sedimentary and igneous deposits in southeastern Wisconsin and south central Wisconsin, as well as the limits of gla...

Photograph

Hematite Fan

Date: 2013-11-12 

Description: A hematite fan, approximately six inches in length, from the mineral collection of Ferdinand Hotz at the University of Wisconsin Geology Museum. This speci...

Date: 1870 

Description: Page from a diary kept by Increase Lapham in California between April 11 and May 19, 1870. The page shows a portion of a list of minerals of California.

Photograph

Emerald in Matrix

Date: 2013-11-12 

Description: A specimen of emerald in matrix from the mineral collection of Ferdinand Hotz at the University of Wisconsin Geology Museum.

Date: 1930-03-07 

Description: Group portrait of the University of Wisconsin-Madison Geology club in the Beefeaters room in Memorial Union.

Date: 1870 ca.

Description: A geological survey map of Wisconsin, with hand-colored portions showing the surveys completed from 1873 to 1875. Although the title and legend are in Wel...

Date: 1850-06-28 

Description: Letter from Increase Lapham to his wife, Ann Maria Alcott, in Milwaukee. Lapham was at Aztalan and wrote to Anna regarding the geology of the region. He in...

Date: 1876 

Description: This color-coded map of the geology of southeastern Wisconsin shows the township grid, counties, towns, cities and villages, rivers, lakes, and railroads....

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