Photograph of 2nd Annual Stubble Mulch Jamboree, the Stubble Mulch Judging Site--Louis Derr, State Soil Scientiist, SCS, Stubble Mulch Judging Committee in charge of this site and hole. OK-1622-6.

Photograph of 3rd place 4-H Club team from Custer County, Oklahoma, at the Stubble Mulch judging school held in conjunction with the 2nd Annual Stubble Mulch Jamboree at Enid, Oklahoma, July 24-25, 1962. Left to right: Arica Page, Scott Smith and Tony. OK-1624-1.

Photograph of contestants and interested spectators observing machinery dispalyed at the 2nd Annual Stubble Mulch Jamboree at Enid, Oklahoma, July 24-25, 1962. OK-1621-12.

Photograph of one of the great many pieces of equipment on exhibition at the 2nd Annual Stubble Mulch Jamboree at Enid, Oklahoma, July 24-25, 1962. Davies plow hooked to a Massey-Ferguson tractor. This is a sweep plow. OK-1621-6.

Photograph of contestants in the 2nd Annual Stubble Mulch Judging Contest held in conjunction wit the 2nd Annual Stubble Mulch Jamboree at Enid, Oklahoma, July 24-25, 1962. OK-1622-5.

Photograph of a group of 4-H and F.F.A. contestants receiving information from Fred Dries, Soil Scientist, SCS, during the stubble mulch judging contest held at the 2nd Annual Stubble Mulch Jamboree, July 24-25, 1962, at Enid, Oklahoma. OK-1622-9.

Photograph of 2nd Annual Stubble Mulch Jamboree, the first place 4-H club team from Garfield County at the Stubble Mulch Judging Contest in the 2nd Annual Stubble Mulch Jamboree at Enid, Oklahoma, July 24-25, 1962. OK-1623-9.

Photograph of Maurice Gamble, Conservation Agronomist, SCS, in a training session showing amounts by which straw is reduced from the surface by various tillage methods at the 2nd Annual Stubble Mulch Jamboree at Enid, Oklahoma, July 24-25, 1962. OK-1621-4.

Photograph of Stubble Mulch Contest at the 2nd Annual Stubble Mulch Jamboree at Enid, Oklahoma, July 24-25, 1962. OK-1622-10.

Photograph of 2nd Annual Stubble Mulch Jamboree --open to 4-H Clubs, F.F.A. teams, adults and individuals. One of the sites being judged. OK-1622-7.

Photograph of contestants in the 2nd Annual Stubble Mulch Judging Contest held in conjunction wit the 2nd Annual Stubble Mulch Jamboree at Enid, Oklahoma, July 24-25, 1962. OK-1622-4.

Photograph of contestants and interested spectators observing machinery dispalyed at the 2nd Annual Stubble Mulch Jamboree at Enid, Oklahoma, July 24-25, 1962. OK-1621-11.

Photograph of Louis Derr, State Soil Scientist, SCS, and 6 UNIDENTIFED Stubble Mulch Judging Committee members in charge of this site and hole at Second Annual Stubble Mulch Jamboree in Enid, Oklahoma. The photograph does not identify the position of Derr. The back of the photograph proclaims, "Stubble Mulch Judging Site – Louis Derr, State Soil Scientist, SCS, Stubble Mulch Judging Committee in charge of this site and hole."

Photograph of numerous UNIDENTIFED people at the Stubble Mulch Judging Contest at second Annual Stubble Mulch Jamboree held at Enid, Okla. The back of the photograph proclaims, "Stubble Mulch Judging Contest – open to 4-H Clubs, F. F. A. teams, adults and individuals. One of the sites being judged."

Photograph of Russell Pierson, WKY Farm Reporter, gathering information at the Second Annual Stubble Mulch Jamboree held at Enid, Oklahoma, July 24-25, 1962.

Photograph of numerous UNIDENTIFED people at the Stubble Mulch Judging Contest at second Annual Stubble Mulch Jamboree held at Enid, Okla. The back of the photograph proclaims, "Stubble Mulch Judging Contest at 2nd Annual Stubble Mulch Jamboree held at Enid, Okla., July 24 and 25, 1962."