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4. BLM (United States Department of the Interior Bureau of Land Management). 1956. Standard field tables and trigonometric formulas. Washington, DC: Government Printing Office.
5. Bowden J. J. 1962. “The Texas and Pacific Railway Company reservation land grant.” In Report of the Eleventh Annual Texas Surveyor’s Association Short Course. October 8 9 10 1962. Texas General Land Office Document No. 62213. https://historictexasmaps.com/collection/search-results/search/identifier:62213.