As a cowboy working in the LaSal, UT vicinity, your ancestor probably worked for the LaSal Livestock Company owned by Charlie Redd (deceased). You can try contacting his son, Hardy Redd. He's listed in the phone book as C. Hardy & Sonny Redd. You might also want to contact the St. Joseph Catholic Church in Monticello, UT. A helpful person would be Barbara Palerme. The number listed in the yellow pages is 435-587-2322.