Iowa Heritage Digital Collections
State Library of Iowa

Browse Items (53526 total)

Erosion on the Johnston farm.
Erosion on the Mike Murphy estate.
Erosion on the Van Roekel farm.
Erosion control dam on the Pazzi farm.
Contour farming on the Rees farm.
Contoured corn and field diversion terrace on the Browne farm.
Contoured watershed on the Shivvers farm.
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