(3) 60,000 gallon ASME Pressure Vessels- 1966 Trinity, 250 psi, have U1As
(3) 1966 Trinity 250 psi, 60,000 gallon (wc), Serial Number Bottom openings 2 x 3" and 2 x 2" openings, Magnetel - Pressure & temp guages. Excellent structural condition.