Bonanza (1968); "Ponderosa Kill" by Dean Owen (1968); "The Pioneer Spirit" by Stephen Calder (1988); "The Ponderosa Empire" by Stephen Calder (1991); "Bonanza: The High Steel Hazard" by Stephen Calder (1993); "Journey of the Horse" by Stephen Calder (1993); "The Money Hole" by Stephen Calder (1993); "The Trail to Timberline" by Stephen Calder (1994); "Bonanza: Felling of the Sons" by Monette L. Bebow-Reinhard (2005), and "Bonanza: Mystic Fire" by Monette L. Bebow-Reinhard (2009). There is also a collection of Bonanza stories: "The Best of Bonanza World: A Book of Favorite Stories," published by CreateSpace Independent Publishing Platform (2012). "Bonanza Gold" (2003–2009),
U Lazy S Ranch split some of the acreage into farms. In 1949, Lott started flying an airplane to drive the cattle and spray herbicide. In the 1950s, the land was faced with a draught. By 1954, Lott planted 1,400 acres of guar to improve the land. He was also the first Texas rancher to use a roto-pitter to break up the rangeland. Two years later, in 1956, Lott's range improvement program had worked. In 1965, Macy split her section of the ranch and renamed it the Running M Ranch. Meanwhile, the U Lazy S Ranch was managed by Lott's son, Jack Lott. By