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MENDENHALL, Thomas Corwin (1841-1924)
[PACIFIC NORTH-WEST COAST:] North West Coast of America and Inland Passages from Olympia, Washington to Mt. St. Elias, Alaska.
U.S. Coast & Geodetic Survey, 1891. Large printed folding map, dissected and linen backed, ca. 163x53 cm (64 ¼ x 20 ¾ in). Scale 1:1,200,000. Attached to the original card and marbled paper folder with brown sheep spine and gilt lettered title label on the front board. Bookplate of Edward W. Allen attached to the verso of the front board. Spine neatly repaired, map with a couple minor tears on the folds; overall a very good map. This rare map, "based chiefly upon the work of the United States Coast and Geodetic Survey and with some compilations from Russian and British Admiralty Charts" presents a detailed and impressive picture of the Alaskan coast, indicating soundings (in fathoms), ferry routes, lighthouses, major mountains and their heights, as well as the preliminary border line between BC and Alaska. Thomas Corwin Mendenhall was an American autodidact physicist and meteorologist. During his time in the office as the superintendent of the U.S. Coast and Geodetic Survey (since 1889) Mendenhall was responsible for defining the exact national boundary between the United States (Alaska) and Canada. The Mendenhall Valley and glacier in Juneau, Alaska was named after him in 1892 (See more: Wikipedia).