Subject: Oil fields / Year: 1968 - Yale University Library GeoBlacklight Search Results

1. Index map showing offshore gravity survey

1968. 2018-06-21T17:59:48Z. 2018-06-21T17:59:48Z. Sidney Schafer & Associates. Sidney Schafer & Associates. English. cartographic image. Public. Mexico, Gulf of, Gulf States, Gulf of Mexico., United States, and Gulf States.

2. Oil and gas industry in Illinois, 1968

1968. 2018-05-15T17:57:06Z. 2018-05-15T17:57:06Z. Meents, Wayne Franklin. State of Illinois, Dept. of Registration and Education, Illinois State Geological Survey. English. cartographic image. Public. Illinois, Illinois., and États-Unis.

3. Oil and gas map of Ohio, Brooke, and Hancock Counties : structural contours on Berea sandstone

1968. 2018-05-01T19:11:10Z. 2018-05-01T19:11:10Z. Haught, Oscar L. West Virginia Geological and Economic Survey. English. cartographic image. Public. West Virginia, Ohio County, Brooke County, Hancock County, Northern Panhandle, Ohio County (W. Va.), Brooke County (W. Va.), Hancock County (W. Va.), Northern Panhandle (W. Va.), Brooke County., Hancock County., Northern Panhandle., and Ohio County.