Scale 1:2.500.000. 1 in. = approximately 40 miles. (E 172--W 140/N 75--N 50).
Shows national parks, national monuments, national forests, Indian reservations, wildlife refuges, and judicial districts. Also covers western Yukon Territory and northwestern British Columbia, Canada. Publication date taken from preliminary 1950 population figures given as part of the places index. Includes airline distances table, index to towns and places, and isets of Fairbanks and the Kenai Peninsula. Relief shown by hachures and spot heights.