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Graphs, Charts and Other Forms of Data
Photograph of a chart indicating terrace specifications for different slopes, lengths and soil types for channel-type terraces.
Date:
unknown
Creator:
unknown
System:
The Gateway to Oklahoma History
Graphs, Charts and Other Forms of Data
Photograph of a chart showing a comparison of tall fescue and orchard grass when grown alone and in mixture with Ladino clover. 3-Year Average of forage production.
Date:
July 14, 1955
Creator:
unknown
System:
The Gateway to Oklahoma History