Geological Survey (U.S.)Relief shown by hachures and spot heights.; Inset: Aleutian Islands.; "Alaskan Mineral Resources Branch. Alfred H. Brooks, chief Alaskan geologist. R.H. Sargent, topographic engineer in charge. Base compiled chiefly from maps of U.S. Geological Survey, U.S. Coast & Geodetic Survey, and International Boundary Commission. British Columbia and Yukon from Canadian sources."; Outlines judicial divisions and shows location of U.S. government radio (wireless) stations.84 x 125 centimetersJPEGUMN_ALMA:9927561360001701engU.S. Geological Survey (Washington, D.C)PublicMap of AlaskaMapsAlaska1923University of Minnesota