from his personal
observations. Since the illustrations are numerous and have been
selected with much care, it is hoped that they will add greatly
to the value of the text. They should be _used_, and a proper
understanding of the pictures made a part of every lesson.

CONTENTS

THE WORK OF THE COLORADO RIVER

A TRIP INTO THE GRAND CANON OF THE COLORADO

HOW THE COLUMBIA PLATEAU WAS MADE

THE CANONS 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

FREMONT'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

THE WORK OF THE COLORADO RIVER

The Colorado River is not old, as we estimate the age of rivers.
It was born when the Rocky Mountains were first uplifted to the
sky, when their lofty peaks, collecting the moisture of the storms,
sent streams dashing down to the plains below. Upon the western
slope of the mountains a number of these streams united in one
great river, which wound here and there, seeking the easiest route
across the plateau to the Gulf of California.

At first the banks of the river were low, and its course was easily
turned one way or another. From the base of the mountains to the
level of the ocean there is a fall of more than a mile, so that the
river ran swiftly and was not long in making for itself a definite
channel.

Many thousands of years passed. America was discovered. The Spaniards
conquered Mexico and sent expeditions northward in search of the cities
of Cibola, where it was said that gold and silver were abundant.
One of these parties is reported to