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Erosion on Soil Unit 25
Photograph of erosion on soil unit 25. Red Clay Prairie and loamy prairie range site. Site in poor condition.
Date:
October 24, 1962
Creator:
Hager, P.
System:
The Gateway to Oklahoma History
Grass, Legume and Forb Cultivation
Photograph of grasses. Little bluestem in phytometer,* clipped at 3 different levels weekly during growing season. OK-1466-7. * a device that measures a plant’s transpiration (i.e., water movement through the plant including evaporation from its aerial parts) by placing it in a sealed soil-containing vessel so that water can escape only through the plant’s transpiration.
Date:
September 24, 1961
Creator:
Hager, P. E.
System:
The Gateway to Oklahoma History
[Photograph 2012.201.B1255.0422]
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Susan Southard, senior at Ryan High School, unquestionably qualifies as the "secretary of secretaries."
Date:
October 24, 1968
Creator:
unknown
System:
The Gateway to Oklahoma History