"73" . . "State Highway 73 (abbreviated SH-73 or OK-73) is a 24\u00BD mi (39.4 km) state highway mostly in Custer Co., Oklahoma, although a stretch of about four-fifths of a mile (1.3 km) of its eastbound lane lies in Roger Mills Co. SH-73 has no lettered spur routes."@en . . . "39428.9"^^ . "West" . "SH" . . . "East" .