RAGBRAI XLIII: Day 1, July 19, 2015, ca. 1970/1971 John Deere 4020 Tractors

Along the Day 1 RAGBRAI XLIII route on July 19, 2015 were these ca. 1970/1971 John Deere 4020 Tractors:

Previous articles in the series:
RAGBRAI XLIII: Sioux City, Iowa, Party Like its 1973: Stage and Banner
RAGBRAI XLIII: Sioux City, Iowa, Party Like its 1973: Damon Dotson
RAGBRAI XLIII: Sioux City, Iowa, Party Like its 1973: Huey Lewis and the News
RAGBRAI XLIII: Day 1, July 19, 2015, Kingsley, Iowa: Chad D. Groepper Memorial 
RAGBRAI XLIII: Day 1, July 19, 2015, 1914 Ford Model T

RAGBRAI XLIII: Day 1, July 19, 2015, 1914 Ford Model T

Along the Day 1 RAGBRAI XLIII route on July 19, 2015 was this 1914 Ford Model T:

Previous articles in the series:
RAGBRAI XLIII: Sioux City, Iowa, Party Like its 1973: Stage and Banner
RAGBRAI XLIII: Sioux City, Iowa, Party Like its 1973: Damon Dotson
RAGBRAI XLIII: Sioux City, Iowa, Party Like its 1973: Huey Lewis and the News
RAGBRAI XLIII: Day 1, July 19, 2015, Kingsley, Iowa: Chad D. Groepper Memorial 

State Historical Museum of Iowa: Wings Over Iowa, ca. 1917 Benoist Tractor Biplane

On permanent display at the State Historical Museum of Iowa in Des Moines is a ca. 1917 Benoist Tractor Biplane.

"This red and white aircraft was built and flown by Lt. Oscar Solbrig, known as the Davenport Bird Man, and restored by Louis Anderson. It was formerly displayed at the old city museum of Davenport until 1962 when the building was torn down."
Reference: State Historical Museum of Iowa: Wings Over Iowa, ca. 1917 Benoist Tractor Biplane

Previous articles in the series:
State Historical Museum of Iowa: Wings Over Iowa, ca. 1909 Bleriot XI Monoplane
State Historical Museum of Iowa: Wings Over Iowa, ca. 1911 Curtiss Pusher Biplane