. . . "Twichell, Willis Day"@en . "Willis Day Twichell"@en . . "1934Z"^^ . . "1959-09-23Z"^^ . . "1864-03-24Z"^^ . . "Willis Day Twichell (March 24, 1864 \u2013 September 23, 1959) was a Texas surveyor and civil engineer, based primarily in Amarillo and later Austin, who surveyed 165 of the state's 254 counties."@en . . . "1959Z"^^ . "1883Z"^^ . . . . . "Surveyor of portions of Ohio, Texas, Oklahoma, New Mexico, and Arizona" . . "1864Z"^^ .