U.S. Coast and Geodetic Survey

Western Coast of U.S. from San Francisco to Umpquah (Umpqua) River

Reconnaissance of the Western Coast of the United States Middle Sheet from San Francisco to Umpquah ( Umpqua ) River by the Hydrographic Party under the command of Lieut. James Alden U.S.N. Assist.

DESCRIPTION: Very attractive antique nautical chart of the western coast of California focused on the Pacific coastline between San Francisco, California and the Umpqua River, Oregon. This scarce, rolled, separately issued chart, corrected to 1869, was first published in 1854 by the U.S. Coast Survey. Noted habitations and geographical features include Empire City, Koos Bay, and Port Orford or Ewing Harbor, Oregon; Crescent City, Reddings Rock, Eureka, Mendocino City, Haven's Anchorage, Bodega Bay, Pt. Reyes, Alcatraz Island, Oakland, Alameda, Union City and San Francisco Bay, California. Numerous soundings, navigational hazards, and aids to navigation are identified.

This antique sea chart is enlivened with twelve attractive hand-colored inset coastal elevation views including: the Entrance to San Francisco Bay, Point Arena, Mendocino City Cove, Trinidad Head and City, Cape Mendocino, Red Bluff Entrance to Humboldt Bay, Point St. George, Mack's Arch and Reef, Rogues River, Cape Blanco, and Cape Gregory.

This is a scarce, separately issued, rolled nautical chart of the U.S. West Coast, not the more common folded version on thin paper that was issued with other charts in an annual report to Congress from the Coast Survey.

This chart was printed in 1869 from an electrotype-printed copy of the original hand-engraved copper plate. Electrotype printing is a process the U.S. Coast Survey adopted around 1850. As a soft medium, copper plates could only withstand print runs of perhaps 200 copies before the plates wore down. To enable larger print runs, a mold of the original plate was created in wax or another soft medium. Then, using an electro-chemical processs ( electrotyping ), the mold was coated with a metal layer, typically copper. Printers were then able to produce output from the new electrotype copper copy, while preserving the original. Electrotype copy no. 6 by Mathiot.

CREATOR: U.S. Coast and Geodetic Survey



BODY OF WATER: Pacific Ocean

CONDITION: Very Good.  Rolled, with no folds, on strong medium weight paper with no tears or holes. Some browning and very light smudges. Impression is somewhat lighter than usual.

COLORING: Careful, attractive hand coloring.

ENGRAVER: McCoy, Knight, Hazzard, and Mezeroth

SIZE: 22 " x 25 "


PRICE: $675


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