Relief shown by gradient tints and shading.
Coordinates include inset of Alaska.
Shows wilderness preservation system; key to government agencies responsible for each area.
Three insets: Principal islands of Hawaii. -- Alaska. -- Puerto Rico and the Virgin Islands. All inserts same scale 1:5,000,000.
Includes: location map showing straight-line distances between Washington, D.C., Fairbanks, Alaska, Honolulu, Hawaii, and San Juan, Puerto Rico; text and 15 color photographs.
Verso: text, illustrations and wilderness areas in the United States chart.