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Photograph

Calcium Chloride Surfacing

Date: 1925
Description: Applying calcium chloride to the surface of STH 19 in Dane County. Unpaved roads stabilized with calcium chloride produced less dust, although that type o...
Photograph

Sign for Watertown Tourist Camp

Date: 1925
Description: Sign along STH 19 near Watertown advertising the community's free tourist camp. One of the many problems associated with automobile travel during the earl...
Photograph

Wisconsin Highway Sign

Date: 1925
Description: Wisconsin State Highway sign along STH 11 near Galesville, one of a whole new vocabulary of signage created for automobile traffic. The inverted triangle w...

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