Browse Items · Iowa Heritage Digital Collections

Two students determining the depth of a trench on a drainage model, 1957

Agricultural engineers Kent Mitchell (left) and Gerald Hollander work out the relationship between the depth of trench and height if target on a tile drainage model.

Two students determining the depth of a trench on a drainage model, 1957

Agricultural engineers Kent Mitchell (left) and Gerald Hollander work out the relationship between the depth of trench and height if target on a tile drainage model.

OK, so maybe it's not a mirage after all

Nerve gas; Gulf War vets; Pentagon

Play ball!

We have a truce, but until we have a signed agreement from the combatants we have decided to send in a U.N. peace-keeping force

Nice neighbors.

The irony of fate. (Middle): That the cooties had to go & infect the trenches-- (Bottom): When they might better have attacked the haunts of the wartime vacationists.

Browse Items (6 total)

Two students determining the depth of a trench on a drainage model, 1957

Two students determining the depth of a trench on a drainage model, 1957

OK, so maybe it's not a mirage after all

Play ball!

Nice neighbors.

The irony of fate. (Middle): That the cooties had to go & infect the trenches-- (Bottom): When they might better have attacked the haunts of the wartime vacationists.