More specifically, the tract was described as lying between the east line of secs. 25 and 36, T. 12 N., R. 20 W., and secs. 1, 12, and 13, T. 11 N., R. 20 W., and the west line of secs. 30 and 31, T. 12 N., R. 19 W., and secs. 6, 7, and 18, T. 11 N., R. 19 W.