Metsker's map of Humboldt County, California

1942

Chas. F. Metsker

1:127k

Humboldt County.

1935

California Division of Highways

1:225k

Geologic Map of California, Redding Sheet.

1962

California Division of Mines and Geology

1:250k

Oblique Map of the Northern California Continental Margin.

1979

Gerin, Marybeth

Cape Mendocino. Blunt's Reef.

1946

Bascom

(Sheet 2) Heald-Menerey's Geographical, Commercial and Recreational Map of California

1927

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

Humboldt Bay Entrance.

1946

Bascom

Northern California, Del Norte County (sheet 1)

1844

California: Office of State Engineer

1:253k

Point Arena to Cape Mendocino

1888

C&GS

1:200k

Humboldt Bay Entrance. Eureka.

1946

Bascom