Notes: | Relief shown by contours and spot heights. Contour interval is 200 feet. Dotted lines represent probable topography unsurveyed. Topography by T.G. Gerdine, D.C. Witherspoon, E.G. Hamilton, W.R. Hill, J.W. Bagley, R.M. LaFollette, C.E. Griffin, A.G. Maddren, and from U.S. Army sketches and other sources. "East of longitude 146⁰ and north of latitude 60⁰40ʹ there is a possible error ranging from approximately 20ʺ in latitude and 30ʺ in longitude on the west to approximately 1ʹ30ʺ in latitude and 3ʹ20ʺ in longitude on the east. The latitude error is north and the longitude error is west. The work in the Hanagita-Bremner region has been adjusted to meet these conditions." "Alaska map 601". Surveyed in 1898, 1900, 1902, 1905, 1908, 1911, and 1913.
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