[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]