01123cam a22002771 4500 gs 16000137 DLC 20260227111319.0 780412m19151917xx 000 0 eng c gs 16000137 (OCoLC)3797258 U.S. Geological Survey OT DLC premarc QE153 .A2 no. 19 TN872.O4 A4 Copy 2. Shannon, Charles William, 1879- Petroleum and natural gas in Oklahoma. Norman, 1915-17. 2 v. illus., fold. maps. 23 cm. Oklahoma. Geological survey. Bulletin no. 19 All the members of the staff of the Geological survey contributed to pt. 2. pt. 1. General information concerning oil and gas. Geology of Oklahoma. By C. W. Shannon and L. E. Trout. 1915.--pt. 2. A discussion of the oil and gas fields, and undeveloped areas of the state, by counties. By Oklahoma geological survey. 1917. Petroleum Oklahoma. Natural gas Oklahoma. Trout, Laurence Emory, 1888- joint author. 25639 25639