TY - RPRT TI - Geologic map of the pre-Tertiary rocks in the eastern Aldrich Mountains and adjacent areas to the south, Grant County, Oregon AU - C. Erwin Brown AU - T. P. Thayer PY - 1977 DO - 10.3133/i1021 UR - https://pubs.usgs.gov/publication/i1021 ID - i1021 ER -