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Twichell Survey Records
In attempts to verify and prove land ownership and boundaries, Humble Oil acquired surveying records related to lands primarily in West Texas. The Twichell Survey Records Committee was created to manage the Twichell Records, and all surveying records held by Humble and the Committee became known as the Twichell Survey Records.The Twichell Survey Records Committee was created in 1959 by a legal agreement between six oil companies for the purpose of managing the Twichell Survey Records. Surveying sketches, cadastral maps, town and neighborhood plats, field books, field notes, correspondence, and photographic materials comprise the Twichell Survey Records, 1832-1984.