California Photos

The Ancient Yosemite Glaciers: How the Valley Was Formed

All California has been glaciated, the low plains and valleys as well as the mountains. Traces of an ice-sheet, thousands of feet in thickness, beneath whose heavy folds the present landscapes have been molded, may be found everywhere, though glaciers now exist only among the peaks of the High Sierr Read More

The Trees of Yosemite Valley

The most influential of the Valley trees is the yellow pine (Pinus ponderosa). It attains its noblest dimensions on beds of water-washed, coarsely-stratified moraine material, between the talus slopes and meadows, dry on the surface, well-watered below and where not too closely assembled in groves t Read More

Some National Parks at a Glance

[Number, 18; total area, 10,739 square miles] NATIONAL PARKS IN ORDER OF CREATION LOCATION AREA IN SQUARE MILES DISTINCTIVE CHARACTERISTICS Hot Springs, 1832 Middle Arkansas 1-1/2 46 hot springs possessing curative properties—M Read More