JOHN COLTER, THE DISCOVERER OF YELLOWSTONE PARK _Frontispiece_
_From a drawing by E. S. Paxson_
MAP SHOWING LOCATION OF THE NATIONAL PARKS AND
NATIONAL MONUMENTS 1
MAMMOTH HOT SPRINGS, YELLOWSTONE NATIONAL PARK 30
_From a photograph by George R. King_
OLD FAITHFUL GEYSER, YELLOWSTONE NATIONAL PARK 34
_From a photograph by Haynes, St. Paul, Minn._
GRAND CAÑON FROM ARTIST POINT, YELLOWSTONE NATIONAL PARK 42
_From a copyright photograph by Haynes, St. Paul_
PETRIFIED FORESTS IN AMETHYST MOUNTAIN, YELLOWSTONE
NATIONAL PARK 46
_Adapted from an illustration of the United States
Geological Survey_