Chesterman, C.W., 1948, Geologic map of the Sugar Hill area, Modoc County, California: California Division of Mines unpublished mapping, scale approximately 1:24,000.
Summary
Chesterman, C.W., 1948, Geologic map of the Sugar Hill area, Modoc County, California: California Division of Mines unpublished mapping, scale approximately 1:24,000.