An undivided 1/4th interest in and to all of the oil, gas, and other minerals in and under Lot (4) (a/k/a SW/4 SW/4) and SW/4 SE/4 and SE/4 SW/4 of Section (19), Township (25) North, Range (20), W.I.M. containing 121.01 acres, more or less (30.25 net mineral acres)