Mineral Resources of the South Warner Wilderness, Modoc C...
Duffield, Wendell A. Excerpt from Mineral Resources of the South Warner Wilderness, Modoc County, CaliforniaThis study evaluated the mineral resources of the wilderness by (1) a geochemical study of bedrock and stream sediment samples, (2) a reexamination of recorded mining claims, and (3) an analysis of an aeromagnetic map of the area. A geologic map was also made during the study to provide a framework for these three methods of mineral surveying. The 553 bedroc...