Yellowstone National Park

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National Park Definition

National park is a natural area designed (by the government) to protect the ecological integrity of one or more ecosystems for present and future generations.

Yellowstone National Park was established by the U. S. Congress and signed into law by President Ulysses S. Grant on March 1, 1872.

Yellowstone is the oldest and best known national park in the United States.

Ulysses S. Grant

Yellowstone National Park is located in the western United States. It spans 3,472 square miles (8,987 square km). Ninety-six percent of the park is located in the state of Wyoming, another three percent is in Montana, and one percent is in Idaho.

This park features the largest and most spectacular thermal area on earth:

over 10,000 geysers, hot springs, mud pots,

colorful travertine terraces.

LAND FORMATIONS

Old Faithful is one of the Parks most well known geysers

in the park

Hot Springs are pools of hot water, the source of their heat is the magma under the

earth’s surface.

Mud pots

Travertine terraces at Mammoth Hot Springs

Some other wonders of this national park include

•lakes, •waterfalls,

•petrified trees, •Obsidian Cliff

•the Grand Canyon of the Yellowstone River.

LAND FORMATIONS

Yellowstone Lake

Obsidian Cliff is an exposed area where lava flow erupted

180 thousand years ago. Obsydian is a volcanic glass.

Grand Canyon of the Yellowstone River

Wildlife in Yellowstone

• Bear• Bighorn sheep

• Bison• Bobcat• Coyotes• Elk • Moose

• Mule Deer• Wolves

Coyote

Grizzly

Bobcat

Mule Deer

Moose

Elk

BISONS

Flora

• Lodgepole pine the most common tree in the park

• Engelmann spruce and subalpine fir especial in areas that are rich with volcanic soil.

• Wyoming paintbrush  • Yellow monkeyflower near rivers

Subalpine fir Engelmann spruce

Wyoming paintbrush

 Yellow monkeyflower