Labels:text OCR: USGS science for a changing world Map Showing Geology, Oil and Gas Fields, and Geologic Provinces of Europe including Turkey -- Compiled by Mark J. Pawlewicz1, Douglas W. Steinshouer3 and Donald L. Gautier2 1 U.S. Geological Survey, MS 939, Box 25046, Denver, CO 80225 2 U.S. Geological Survey, MS 975, Menlo Park, CA 3 Contractor to the U.S.Geological Survey, MS 939, Box 25046, Denver, CO 80225 U.S. Department of the Interior Open-File Report 97-470-I U.S. Geological Survey Version 1.0 2003