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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

Rocky Shoulder on Highway 51

Date: 1925
Description: View of a road crew along State Highway 15 at work constructing a trench for a penetration type shoulder near Kaukauna.
Photograph

Kaukauna Section Patrol

Date: 1925
Description: A Kewaunee County road crew poses in front of gravel crushing machinery.
Print

Highway Power

Date: 1925
Description: Bulletin advertising Pioneer tractors for construction and maintenance of highways. Features two photographs of men using the tractors; the caption beneath...
Book or Pamphlet

10-Ton Caterpillar Tractor

Date: 1925
Description: Front cover of a booklet advertising the 10-ton Caterpillar tractor. The photograph in the center depicts a man using the tractor with a road grader.
Book or Pamphlet

5-Ton Caterpillar Tractor Advertisement

Date: 1925
Description: Mailing advertisement for the 5-ton Caterpillar tractor. The illustrations at top demonstrate (from left): "Pulling train of 3-1 1/4 yd. Scrapers", "Showin...

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