"This paper is the result of a study of the oil industry in Cooke County Texas. Consideration was given to the following factors: the physiography and geology of Cooke County, the first oil developments, opening of various fields, the Tydal Refinery, and the benefits of the oil industry to the county in terms of employment, busines establishments, schools, and social efforts. Both persona and documentary source were utilized for obtaining data on the present problem. Primary sources included statements made by land owners of Cooke County, oil operators, drillers, refinery personnel, business men, civic leaders, and the superintendents of schools, both in Gainesville, Texas, and in Cooke County. Secondary sources included newspapers, oil publications, and books on geology and the oil industry. "-- leaf vi.