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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.

Date: 1844 

Description: Title page of Increase Lapham's A Geographical and Topographical Description of Wisconsin published by P.C. Hale of Milwaukee, Wisconsin.

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: 1873 

Description: A hand-colored, geological map of the Fox and Wisconsin rivers’ water path from the Mississippi River to the Great Lakes. The map also shows those railroa...

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: 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: 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....

Manuscript

Earth Borer

Date: 1828 ca.

Description: Increase Lapham's drawing and description of an earth borer for his handwritten manuscript, Notes and Accounts of Canals, Particularly the Ohio Canal Ne...

Date: 1902 

Description: This map is watercolor and pen on paper and relief shown by contours. The map reads: "Contour interval 10 feet." Shown on the map are geological features a...

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: 1910 ca.

Description: Cyanotype print of the interior of the Geology Museum in Science Hall on the University of Wisconsin-Madison campus. View towards corner of a room with win...

Date:  date unknown

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

Date: 2013-11-12 

Description: A cut and polished azurite malachite nodule from the mineral collection of Ferdinand Hotz at the University of Wisconsin Geology Museum. Azurite and malach...

Date: 1865 

Description: Map showing the location of meteorological stations and effects that Lake Michigan has had on Wisconsin temperatures in January and July. The map shows cou...

Photograph

Charles Whittlesey

Date: 1858 

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

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...

Increase Lapham's Cartes-de-visite Collection

View this magnificent collection of 19th century famous scientists collected by Wisconsin naturalist Increase Lapham.

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...

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...

Date:  date unknown

Description: A hand-colored geological cross section of Iowa County and eastern Dane County, Wisconsin, from the Blue Mounds north-northwest to the sandy plain of the W...

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