From abstract: The mapped area of the Henryetta mining district includes about 168 square miles in Okmulgee County in the east-central part of Oklahoma. The rocks in this district consist of sandstone, silty shale, and shale, and are divided into the Senora formation and the overlying Calvin sandstone of Pennsylvanian age.

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Diplomas are ready for 129 graduating seniors at Oklahoma A&M Tech, Okmulgee."

Photograph used for a story in the Oklahoma Times newspaper. Caption: "Oklahoma A&M Tech baking department head John C. Summers, left outlines the contents of a new book, "Sciences and Practices of Cake, Pie, Cookie, Pastry and Variety Breads and Rolls Production," to Joe Bolland, right, student from New Hope, Ark."

Photograph used for a story in the Oklahoma Times newspaper. Caption: "Herb Carter Past Pres. of the Trade & Industrial Club of Okla. A&M Tech Okmulgee"

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Michael Hodges, 5, Oklahoma City, being fitted with brace by Dr. Shelby Gamble, medical director of the physical therapy school, with an assist from student Retta Richmond."

Photograph taken for a story in the Daily Oklahoman newspaper. Caption: "George Schellman, doing physical therapy exercise with help of student John Davis."

Photograph taken for a story in the Daily Oklahoman newspaper. Caption: "Tomalie Peery, 11, daughter of Mrs. Rosalie Peery, Midwest City, with student John Davis, Durant, graduate of Southwestern State College, who is teaching her faster crutch gait."

Photograph taken for a story in the Daily Oklahoman newspaper. Caption: "Okmulgee, Dec. 8, A unique school that supplies manpower for Oklahoma business and industry will get a bang up 10th anniversary send off Friday from trade associations which gratefully tap the institution's reservoir of craftsmen."

Photograph used for a story in the Oklahoma Times newspaper. Caption: "Philip B. Porter is a member of the scholarship committee of the Trades and Industrial Club at Oklahoma A&M Tech-Okmulgee, and here he helps look over applications for the scholarship help."

Photograph used for a newspaper owned by the Oklahoma Publishing Company. Caption: "SHEEP AND WOOL SPECIALISTS from Kansas City and Stillwater, and farmers from five Oklahoma counties met at Oklahoma A&M Tech, Okmulgee, March 29 for a Sheep and Wool clinic at which Glenn Thacker, field service director for Midwest Wool Markting Co-operation, was principal speaker."

Photograph taken for a story in the Oklahoma Times newspaper. Caption: "Looking over broilers raised by Charles Osborn, left, is Jess Cox, department head."

Photograph taken for a story in the Oklahoma Times newspaper. Caption: "Okmulgee April 15, State lumberman honored Keith Covelle director of Oklahoma A&M Tech before the Okmulgee Lions club this week."

Photograph of placing fertilizer in automatic bermuda grass planter. All bermuda reported during 1955 in the Okmulgee Co. SDC has been fertilized at time of planting.

Photograph taken for a story in the Oklahoma Times newspaper. Caption: "Pre-enrolment of more than 1,000 students is underway at Oklahoma A & M Tech, Okmulgee, with a steady stream of students flooding the registrar's office."

Photograph used for a story in the Oklahoma Times newspaper. Caption: "Phillip Valpoon with his bag packed and a light weight jacket out in case he needs it for his trip to Honolulu, Hawaii, Wednesday talked over his flight schedule with fellow student Gene Hopper, left, Oklahoma City."

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "June7-If a plant grows wild in Oklahoma, you'll probably find a specimen of it in Oklahoma A7M college's herbarium, where 90 percent of the state's flora are represented."

Photograph taken for a newspaper owned by the Oklahoma Publishing Company. Caption: "Joe Newton Croom sr., about 60, for 32 years an Okmulgee newspaperman, was found dead at his home early Tuesday morning."

Photograph used for a newspaper owned by the Oklahoma Publishing Company.

Photograph used for a story in the Oklahoma Times newspaper.

Photograph taken for a story in the Oklahoma Times newspaper.

Photograph used for a story in the Oklahoma Times newspaper. Caption: "prize baking student gets award"

Photograph taken for a story in the Daily Oklahoman newspaper. Caption: "With 50 new students reporting, the radio and television department at Oklahoma A & M School of Technical Training receives its share of the increased enrolment."

Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Mrs. Lorraine Parker . . . hats despite handicaps."

Photograph of the A. B. Blackburn Coop, where oats and vetch are seeded in a Bermuda grass sod pasture with a sod drill. The Bermuda grass has not been grazed. OK-139-9.