National Geographic : 1971 Jun
Modern wilderness scout, Cascade Crest Pa trolman Leyton Jump radios a warning of a thun dercloud buildup. Mount Rainier, sheathed by 41 glaciers, looms behind him. Alerted fire-watchers will scan the storm area for forest fires ignited by lightning. The U. S. Forest Service supervises the entire trail; 80 percent of it traverses federal lands. Of ficials hope to acquire privately owned sections or obtain easements for the remainder. The Cascades (map), severed by the Columbia River, include three mountain systems. More than a hundred volcanic peaks spike the southern seg ment, while the northern portion has a mixture of sleeping volcanoes and Sierra-like ridges. In the middle, gentler, lower mountains form a back drop for a few spectacular volcanic cones such as Rainier, Adams, and Hood. Hikers planning to cross into Canada should first write the Canadian Department of Man power and Immigration at Vancouver, British Columbia, and check with U. S. customs and immi gration officials at Oroville or Sumas, Washington.