Iowa Heritage Digital Collections
State Library of Iowa

Browse Items (469 total) for Plymouth County Soil and Water Conservation District Historical Collection

Side view of man giving talk to group of seated young people outside.

Side view of man giving talk to group of seated young people outside.

Shovel Loader and Bulldozer in Field - John Schnefl

Shovel Loader and Bulldozer in Field - John Schnefl

Several people standing by two Komatsu Excavators with a smaller farm machine in background

Several people standing by two Komatsu Excavators with a smaller farm machine in background

Seven Standing Men Talking in Field

Seven Standing Men Talking in Field

These men are not identified, but the one in the middle is holding a document..
Seeded backslope terraces on the property of William Zemanek, Section 11 - Sioux Township #10

Seeded backslope terraces on the property of William Zemanek, Section 11 - Sioux Township #10

Seeded backslope terraces are a very effective pollution control
Rows of Small Pine Trees with Hedges near by

Rows of Small Pine Trees with Hedges near by

Ron Fischer parallet grassback terraces

Ron Fischer parallet grassback terraces

Robert Kelker Parallel Broadbase ten

Robert Kelker Parallel Broadbase ten

Road Structure 4 miles north of Sioux City, Iowa in Plymouth County.

Road Structure 4 miles north of Sioux City, Iowa in Plymouth County.

This photo shows a 36 inch corrugated metal pipe laid before covering on a county farmer (G. Fry) cooperative road structure. At the double elbow section to the left is where the downstream berm will be located. The structure has a slotted flume…
Rick Cordes, Plymouth County Conservationist during the 1980;s

Rick Cordes, Plymouth County Conservationist during the 1980;s

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