A map of secret passages in “Lost Canyon” leads to murder. Original Air Date: February 12, 1950Host: Andrew RhynesShow: Hopalong CassidyPhone: (707) 98 OTRDW (6-8739) Stars:• William Boyd (Hopalong Cassidy)• Andy Clyde (California Carlson) Writers:• John Barclay Creator:• Clarence Mulford Producer:• Walter White Jr. Music:• Albert Glaser For more great shows check out our site:…