ocr: USGS science fora a changing world the Portions contain coastline Environmental of and this intellectual Systems country database property Research covering boundaries of Open File Report 97-470 E Institute, Inc. (ESRI), Copyright 1998 and Institute, are Environmental used Inc. 0 herein All 1992 Systems rights with and 1996, Research reserved. permission. URIRIN bo* 80009 Map Showing Geology, Oil and Gas Fields, and Geologic Provinces of the Former Soviet Union U.S. Department of thel Interior U.S. Geological Survey
