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Fish Kill
Photograph of a fish kill on Carlock Ranch lake. Rotenone 5% used at rate of 2.7# per acre foot of water.
Date:
August 29, 1968
Creator:
Collins, F. W.
System:
The Gateway to Oklahoma History
Farming Equipment and Methods
Photograph of a new type of spray boom which is not supposed to drift. There is 10 needles to the inch. Total boom length is 26 feet. Used by a helicopter. OK 3086
Date:
May 29, 1968
Creator:
McCampbell, James B.
System:
The Gateway to Oklahoma History
Shallow Prairie Range Site in Excellent Condition
Photograph of “A shallow prairie range site – in excellent condition on the Collinsville portion of the Bates-Collinsville complex, Ho 5 percent slopes is shown in the foreground.”
Date:
February 29, 1968
Creator:
Dietz, Harland
System:
The Gateway to Oklahoma History