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Lake Superior chart number 8 from Grand Portage Bay, Minn. to Lamb Island, Ont. including Isle Royal, Michigan : survey of the northern and northwestern lakes made in obedience to Acts of Congress and orders of headquarters corps of Engineers, U.S. Army
- Author / Creator
- Available as
- Physical
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- Creator
- prepared from trigonometrical surveys executed under the direction of Lieut. Col. W.F. Raynolds, Corps of Engineers, Bvt. Brig. Gen. U.S. Army in 1870 and 1871 ; with additions and corrections under the direction of Colonel G.J. Lydecker, Corps of Engineers, U.S. Army in 1905 and Major Charles Keller, Corps of Engineers, U.S. Army in 1908-9
- Format
- Maps, Atlases
- Language
- English
- Contributors
- Publication
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- [Washington, D.C.] : War Department, Corps of Engineers, 1908-09
- Detroit, Mich. : On sale at U.S. Lake Survey Office
- Series
- Physical Details
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- 1 map : color ; 80 x 111 cm
- OCLC
- ocm28982324
- Cartographic Data
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Scale 1:120,000(W 89°40ʹ--W 87°54ʹ/N 48°37ʹ--N 47°47ʹ).
- Relief shown by hachures. Depths shown by soundings and gradient tints.
- Insets: Chart of Todd Harbor north coast of Isle Royal -- Chart of part of Rock Harbor showing entrance by Middle Islands Passage Isle Royal -- Chart of Washington and Grace Harbors Isle Royal.