Geology and mineral resources map of the Double Mountain quadrangle, Malheur County, Oregon / by Len Ramp and Mark L. Ferns, Oregon Department of Geology and Mineral Industries
Scale 1:24,000 ; Polyconic projection (W 117°23ʹ30ʺ--W 117°15ʹ00ʺ--N 43°52ʹ30ʺ--N 43°45ʹ00ʺ).
Note
Relief shown by contour lines and spot heights. "Contour interval 20 feet." Field work conducted in 1988 and 1989. Includes text, 2 tables, 2 geologic cross sections, time rock chart and quadrangle location map.
Bibliography Note
Includes bibliographical references.
Other Forms
Also available online at the Oregon Documents Repository.