Compiled from maps by U. S. Geological Survey ; Breuker & Kessler Co. Phila. Coordinates approximate and based on Greewich meridian. Relief shown by shading and spot heights. Legend indicates areas of high- and low-grade coal and those "probably containing some coal." Shows waterways, towns, military cables. Plate I. from "Geology and mineral resources of Kenai Peninsula, Alaska," 1915.