The Geologic Setting of the John Day Country: Grant County, Oregon

Thomas P. Thayer's “The Geologic Setting of the John Day Country: Grant County, Oregon” is a comprehensive exploration of the geological wonders of Grant County, Oregon. Thayer's expertise shines through as he unravels the geological history and features of this captivating region. Whether you're a geology enthusiast or simply curious about the earth's fascinating formations, this book provides a detailed and informative guide.