[HOW CLIMATE AND PHYSICAL FEATURES INFLUENCED THE SETTLEMENT OF THE WEST]

[THE LIFE OF THE PROSPECTOR]

[GOLD AND GOLD-MINING]

[COPPER-MINING]

[COAL AND PETROLEUM]

[THE CLIMATE OF THE PACIFIC SLOPE]

[SOMETHING ABOUT IRRIGATION]

[THE LOCATION OF THE CITIES OF THE PACIFIC SLOPE]

[THE FOREST BELT OF THE SIERRA NEVADA MOUNTAINS]

[THE NATIONAL PARKS AND FOREST RESERVES]