Thayer, Thomas Prence books & textbook
The Geologic Setting of the John Day Country: Grant County, Oregon
Thayer, Thomas Prence Geological Survey (U S )
Nabu Press /2010-09-09 Paperback / 22 Pages
isbn-10: 1171856393 / isbn-13: 9781171856399
Mineral resources of the Strawberry Mountain wilderness and adjacent areas, Grant County, Oregon: An evaluation of the mineral potential of the area (Geological Survey bulletin)
For sale by the Supt. of Docs., U.S. G.P.O /1981T Unknown Binding / 67 Pages
