Add to ORKGPhotograph used for a story in the Daily Oklahoman newspaper. Caption: "Charles prepares and acid solution to test the soil codition.
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "W.L. Vaught Soil Conservatio...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Crystal Laboratory owner Kar...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "H. E. Maxey, left, state Dep...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Chemist Dennis Good pasture p...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Chemist-biologist Martin Stok...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Watching Pontotoc County Age...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "County agent Harry James demo...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Louis Lerr, state soil scien...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Oklahoma County Agent Harry ...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "County agent Harry James demo...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Sam J. Johnson Jr., Cleveland...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "A-H-H-H-H Earl Harding, fille...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Instructor Jesse Vaughn and ...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Osborn doubts soil validity t...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Students Allen Myers, Oklahom...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "W.L. Vaught Soil Conservatio...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Crystal Laboratory owner Kar...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "H. E. Maxey, left, state Dep...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Chemist Dennis Good pasture p...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Chemist-biologist Martin Stok...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Watching Pontotoc County Age...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "County agent Harry James demo...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Louis Lerr, state soil scien...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Oklahoma County Agent Harry ...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "County agent Harry James demo...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Sam J. Johnson Jr., Cleveland...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "A-H-H-H-H Earl Harding, fille...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Instructor Jesse Vaughn and ...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Osborn doubts soil validity t...
Photograph used for a story in the Oklahoma Times newspaper. Caption: "Students Allen Myers, Oklahom...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "W.L. Vaught Soil Conservatio...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Crystal Laboratory owner Kar...
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "H. E. Maxey, left, state Dep...