THE WORK OF THE COLORADO RIVER
A TRIP INTO THE GRAND CAÑON OF THE COLORADO
HOW THE COLUMBIA PLATEAU WAS MADE
THE CAÑONS OF THE SIERRA NEVADA MOUNTAINS
AN OREGON GLACIER
SOMETHING ABOUT EARTHQUAKES AND MOUNTAIN BUILDING
THE LAST VOLCANIC ERUPTIONS IN THE UNITED STATES
THE MUD VOLCANOES OF THE COLORADO DESERT
THE HISTORY OF A COAST LINE
THE DISCOVERY OF THE COLUMBIA RIVER
THE GREAT BASIN AND ITS PECULIAR LAKES
FRÉMONT'S ADVENTURES IN THE GREAT BASIN
THE STORY OF GREAT SALT LAKE
THE SKAGIT RIVER
THE STORY OF LAKE CHELAN
THE NATIVE INHABITANTS OF THE PACIFIC SLOPE
THE STORY OF LEWIS AND CLARK
THE RUSSIANS IN CALIFORNIA
DEATH VALLEY
THE CLIFF DWELLERS AND THEIR DESCENDANTS
THE LIFE OF THE DESERT
THE PONY EXPRESS
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
THE WESTERN UNITED STATES
