Detailed Geology Sheet XXXV.

1896

Van Hise, C.

1:13k

38D. Parts Of N.E. California & N.W. Nevada.

1880

Wheeler, G.M.

1:253k

38D. Land Classification Map Of Parts Of NE California & NW Nevada.

1880

Wheeler, G.M.

1:253k

Modoc County.

1952

Metsker, Charles Frederick, 1881-

1:127k

Modoc County, California.

1911

Green, Abbott M.

1:190k

Northern California, Siskiyou, Modoc Counties (sheet 2)

1844

California: Office of State Engineer

1:253k

38B. Parts Of N.E. California, N.W. Nevada And Southern Oregon.

1882

Wheeler, G.M.

1:253k

Geologic Map of California, Alturas Sheet.

1958

California Division of Mines and Geology

1:250k

Text: Explanatory Data. Westwood Sheet. Index Map: Index to Geologic Mapping used in Compilation.

1960

California Division of Mines and Geology

(Sheet 1) Heald-Menerey's Geographical, Commercial and Recreational Map of California

1927

Heald-Menerey Company, Inc.; Heald, Ralph P.