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Archive
State Has About Every Type of Soil—Take Your Choice
A news item featuring a map of soil types in Oklahoma from 1939.
Tibetan Flower May Provide Oklahoma New Oil Industry
A news item about the introduction of safflower into Oklahoma agriculture in 1939.
Horses Are Being Replaced by Tractors
A news item featuring a chart showing the rise of tractor use coinciding with a decline in horses in Oklahoma from 1939
