GIS Data for Reconnaissance Geologic Map of the Hells Canyon Study Area, Wallowa County, Oregon, and Idaho and Adams Counties, Idaho

This U.S. Geological Survey (USGS) data release provides a digital geospatial database for the reconnaissance geologic map of the Hells Canyon Study Area, Wallowa...本美国地质调查局（U.S. Geological Survey, USGS）此次发布的数据，为沃洛厄……地区地狱峡谷研究区的踏勘地质图提供了数字地理空间数据库。