Photograph of the Red Plains Experiment Station, Guthrie Camp, Stillwater District
Photograph of plots 8, 9, and 10 on the Red Plains Conservation Experiment Station. The back of the ...
Photograph of two UNIDENTIFED men, located in the background, standing next to one of the control pl...
Photograph of a well vegetated terrace outlet channel, Guthrie Camp, Stillwater District
Photograph of the Red Plains Experiment Station, Guthrie, OK. Vernon fine sandy loam, lower B horizo...
Photograph of the Red Plains Experiment Station, Guthrie, OK. Showing blue gama grass. Fully mature....
Photograph of the Red Plains Experiment Station, Guthrie, OK. East farm gully control studies. 4 1/2...
Photograph of the Red Plains Experiment Station, Guthrie, OK. East farm gully control studies. 4 1/2...
Photograph of the Red Plains Experiment Station, Guthrie, OK. East farm gully control studies. 4 1/2...
Photograph of the Red Plains Experiment Station, Guthrie, OK. East farm gully control studies. 4 1/2...
Photograph of Harley A. Daniel, Project Supervisor, taking a soil sample from a plot on the Red Plai...
Photograph of Harley A. Daniel, Project Supervisor, taking a soil sample from a plot on the Red Plai...
Photograph of the Red Plains Experiment Station, Guthrie, OK. Abandoned land which has been out of c...
Photograph of Harley A. Daniel, Project Supervisor, taking a soil sample from a plot on the Red Plai...
Photograph of the Guthrie Soil Conservation Camp from an adjoining water tower showing the typical l...
Photograph of buffalo grass pasture and flock of grazing sheep in Stillwater Project
Photograph of plots 8, 9, and 10 on the Red Plains Conservation Experiment Station. The back of the ...
Photograph of two UNIDENTIFED men, located in the background, standing next to one of the control pl...
Photograph of a well vegetated terrace outlet channel, Guthrie Camp, Stillwater District
Photograph of the Red Plains Experiment Station, Guthrie, OK. Vernon fine sandy loam, lower B horizo...
Photograph of the Red Plains Experiment Station, Guthrie, OK. Showing blue gama grass. Fully mature....
Photograph of the Red Plains Experiment Station, Guthrie, OK. East farm gully control studies. 4 1/2...
Photograph of the Red Plains Experiment Station, Guthrie, OK. East farm gully control studies. 4 1/2...
Photograph of the Red Plains Experiment Station, Guthrie, OK. East farm gully control studies. 4 1/2...
Photograph of the Red Plains Experiment Station, Guthrie, OK. East farm gully control studies. 4 1/2...
Photograph of Harley A. Daniel, Project Supervisor, taking a soil sample from a plot on the Red Plai...
Photograph of Harley A. Daniel, Project Supervisor, taking a soil sample from a plot on the Red Plai...
Photograph of the Red Plains Experiment Station, Guthrie, OK. Abandoned land which has been out of c...
Photograph of Harley A. Daniel, Project Supervisor, taking a soil sample from a plot on the Red Plai...
Photograph of the Guthrie Soil Conservation Camp from an adjoining water tower showing the typical l...
Photograph of buffalo grass pasture and flock of grazing sheep in Stillwater Project
Photograph of plots 8, 9, and 10 on the Red Plains Conservation Experiment Station. The back of the ...
Photograph of two UNIDENTIFED men, located in the background, standing next to one of the control pl...
Photograph of a well vegetated terrace outlet channel, Guthrie Camp, Stillwater District