Petroleum. Colorado Oil strike in well near Berthoud. Times Je 14, 1902 p.4 c.3 First flowing well at Boulder may be Bingham. Times Je 17, 1902 p.8 c.4 DENVER Oil struck in Crawford well at Boulder at 2,680 feet. Times Je 21, 1902 p.2 c.4 Times Je 23, 1902 p.9 c.2 To drill for oil on Ralston Creek, north of Golden. Times Je 21, 1902 p.6 c.4 First discovery of oil in Arapahoe County in well ten miles northeast of Denver. Times Je 25, 1902 p.6 c.1