Iowa Heritage Digital Collections
State Library of Iowa

Browse Items (3649 total)

Combine unloading crops into a wagon, rear close-up view, 1955

Combine unloading crops into a wagon, rear close-up view, 1955

In Washington County, Iowa, a combine unloads crops into a wagon pulled by a tractor, in a rear close-up view.
Farmer with wagon of crops harvested by the combine, 1955

Farmer with wagon of crops harvested by the combine, 1955

A farmer stands next to the crops deposited in the wagon by the combine, with the Washington County, Iowa farm visible in the background.
Crops pouring from the chute of the combine into a wagon, 1955

Crops pouring from the chute of the combine into a wagon, 1955

Crops pour from the chute of the combine into a wagon, with the farmer sitting on the combine in Washington County, Iowa.
Professor Johnson discussing sprinkler irrigation equipment with students, 1957

Professor Johnson discussing sprinkler irrigation equipment with students, 1957

Professor Howard Johnson (in tie) discusses the design and operations of sprinkler irrigation equipment with agricultural engineering students in lab class.
Three students working on a project in the Hydraulics Lab, 1957

Three students working on a project in the Hydraulics Lab, 1957

Three students work on a project in the Hydraulics Lab.
Engineering student adjusting a surveyor's transit, 1957

Engineering student adjusting a surveyor's transit, 1957

Agricultural engineering student Roderick Hall adjusts the surveyor's transit one step in the engineering control of soil and water resources.
Professor Johnson and three students investigating water hydrant fixtures, 1957

Professor Johnson and three students investigating water hydrant fixtures, 1957

Professor Howard Johnson helps one student adjust a water hydrant fixture, while two others observe in a lab class about sprinkler irrigation equipment.
Student performing plane table surveying using an alidade, 1957

Student performing plane table surveying using an alidade, 1957

A student performs plane table surveying using an alidade on a topographic map.
Student using tools on a relief map, 1957

Student using tools on a relief map, 1957

A student uses tools on a relief map.
Columns of Curtiss Hall portico, 1946

Columns of Curtiss Hall portico, 1946

The four columns of the Curtiss Hall portico are highlighted in the sun under the crowning pediment and flagpole, with trees and ivy on the left.
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