1935 Map of Galveston Bay Texas Oil Fields
1906 Oil & Gas Well Map of Greene County Pa
Oil & Gas Well Locations Greene County Pennsylvania 1863 - 2013 - Book
1877 Map of Washington Township Clarion County Pennsylvania Oil Wells
1910 Oil & Gas Well Map of the Sewickley Quad Allegheny County Pennsylvania
1930 Pipeline Map of West Texas Counties Midland Winkler Mitchell Upton Crockett
