Презентация, доклад Сокровища природы. Еллоустоунский заповедник.

runs through it. Within the park's massive boundaries, visitors can find mountains, rivers, lakes, waterfalls and some of the most concentrated geothermal activity in the world.

Montana and Idaho. It was established by the U.S. Congress and signed into law by President Ulysses S. Grant on March 1, 1872.

place in the northwest corner of the Wyoming Territory where mud boiled, water spouted, and steam came out of the ground.

11,000 years. In 1917, administration of the park was transferred to the National Park Service, which had been created the previous year.

architectural and historical significance, and researchers have examined more than 1,000 archaeological sites.

considered an active volcano. It has erupted with tremendous force several times in the last two million years.

documented, including several that are either endangered or threatened. The vast forests and grasslands also include unique species of plants.

were given the name of White Mountain Hot Spring, even though they were well known and named before then.

The Mammoth Terraces are constantly changing shape and color.

Along with changes of thermal activity come changes in color.

20 miles long, measured from the Upper Falls to the Tower Fall area. The canyon was formed by erosion as Yellowstone River flowed over progressively softer, less resistant rock. The Lower Falls is often described as being more than twice the size of Niagara, although this only refers to its height .

Yellowstone National Park. The lake is 2,357 m above sea level and covers 350 km2 with 180 km of shoreline.
Yellowstone Lake is the largest freshwater lake above 2,100 m in North America.

sightseeing. Paved roads provide close access to the major geothermal areas as well as some of the lakes and waterfalls

attention!