Original antique lithographed fold-out 1861 map of the entrance to Coos Bay, on Oregon's coast, printed more than 160 years ago.

• This map has good detail, including the location of a shipwreck in the shallows of South Slough, southeast of Guano Rock.



• Other named places and features include Cape Gregory, Pigeon Point, Fearless Rock, Tunnel Point, Koos Head, and Point Yoakum.



• This is a coastal survey map and it shows soundings in feet, magnetic variation, navigable channels, the location of breakers, and a table of tides.



• Aside from one house, there is minimal onshore detail.



• The map was published by the U.S. Coast Survey, under the direction of A.D. Bache, Superintendent.



• It is titled Preliminary Chart of Entrance to Koos Bay, Oregon and is dated 1861 in the title.



• It was lithographed by Charles Knickerbocker of Albany, New York, and issued in Report of the Superintendent of the Coast Survey, showing the Progress of the Survey during the Year 1861, published in Washington, D.C. by the Government Printing Office in 1862.



• The image area measures 14¾" x 17½", and the map is drawn on a scale of 1:20,000. The triangulation topography and hydrography are by James S. Lawson.



• Condition:   Like many government fold-out maps of the mid-19th century, it is printed on a lightweight paper which has toned slightly along the folds. The impression is strong, and the map is bright and clean, with no marks, rips, or tears. It is blank on the back, with no printing on the reverse side.



• It is an original, authentic U.S. Coast Survey document, not a reproduction or modern reprint, and it is fully guaranteed to be genuine.



• This antique chart provides an important historical depiction of the entrance to the S-shaped inlet where the Coos River enters the Pacific Ocean in southwestern Oregon.



• Today the port of Coos Bay is the largest and deepest port between San Francisco, California and the Columbia River.



• The map would make a handsome and dramatic display in your den or office. It would also make a perfect gift, and we'll include our helpful framing tips with your purchase.



• Please see the scans and feel free to ask any questions.



• Buy with confidence! We will ship your map carefully rolled in a sturdy cardboard tube so it will reach you safely, and we are always happy to combine shipping on the purchase of multiple items — just make sure to pay for everything at one time, not individually.