Map of Alaska : compiled chiefly from maps of the U.S. Geological Survey / engraved and printed by the U.S. Geological Survey ; Alfred H. Brooks, Geologist in charge, Division of Alaskan Mineral Resources.Geological Survey (U.S.)1913"Index map showing areas covered by topographic maps, August 1913"."Recent survey publications" text on verso.Includes inset of the Aleutian Islands and chart of "Maps of Alaska for sale by U.S. Geological Survey."Relief shown by hachures and spot heights.cartographic