 Complete the following phrase:  Montechino possessed natural gas and oil deposits that were used by local industry from 1866 to 1950. Peak production was reached in the early-20th century, when a pipeline was built to carry the oil to refineries in Fiorenzuola dArda. The oil-fields were among the targets attacked by fighters and fighter-bombers of the XXII Tactical Air Command on 7 April 1945 during the 