National Park Service

In 1916, a portfolio of nine major parks was published to generate interest. Printed on each brochure was a map showing the parks and principal railroad connections.
In 1934, a series of ten postage stamps were issued to commemorate the reorganization and expansion of the National Park Service.
NPS Preliminary Survey party, Great Smoky Mountains, 1931
Grand Canyon National Park, south rim of canyon.
Customs House at the Salem Maritime National Historic Site in Salem, Massachusetts
Winter at the Gettysburg Battlefield
NPS Operations of the National Parks budget from FY 2001-FY 2006
Depicts twelve figures, most in NPS uniforms, shown in occupations from left to right: a lifeguard, a Civil War reenactor, fire management, mounted patrol, researcher and/or natural resources with fish, a female ranger with two visitors, a laborer, a climber/rescuer, and a youth with a male ranger.
Stephen Mather (center) and his staff, 1927 or 1928
Jon Jarvis, former NPS Director
National Park Service employment levels. Executives: abt 27; Gen Sch: 16–17,000; Others: 6–7,000
Historic Preservation Training Center
Photograph of El Santuario Del Señor Esquipula, Chimayo, New Mexico
LaSalle Street Bridge, Chicago, Illinois
"The national parks preserve all life", poster for National Park Service, 1940

Agency of the United States federal government headquartered at the Main Interior Building in Washington, D.C. that manages all national parks, most national monuments, and other natural, historical, and recreational properties with various title designations.

- National Park Service

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Federal government of the United States

National government of the United States, a federal republic in North America, composed of 50 states, a city within a federal district (the city of Washington in the District of Columbia, where the entire federal government is based), five major self-governing territories and several island possessions.

Coat of arms
Political system of the United States
Seal of the U.S. Congress
The 435 seats of the House grouped by state
The United States Capitol is the seat of government for Congress.
Seal of the president of the United States
Uncle Sam, a common personification of the United States Federal Government
Seal of the vice president of the United States
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Federal Revenue and Spending
Diagram of the Federal Government and American Union, 1862
The states of the United States as divided into counties (or, in Louisiana and Alaska, parishes and boroughs, respectively). Alaska and Hawaii are not to scale and the Aleutian and uninhabited Northwestern Hawaiian Islands have been omitted.

The terms "Federal" and "National" in government agency or program names generally indicate affiliation with the federal government (e.g. Federal Bureau of Investigation, National Oceanic and Atmospheric Administration, National Park Service).

Yellowstone National Park

American national park located in the western United States, largely in the northwest corner of Wyoming and extending into Montana and Idaho.

Detailed pictorial map from 1904
Ferdinand V. Hayden (1829–1887), American geologist who convinced Congress to make Yellowstone a national park in 1872
Ferdinand V. Hayden's map of Yellowstone National Park, 1871
Portrait of Nathaniel P. Langford (1870), the first superintendent of the park
Great Falls of the Yellowstone, U.S. Geological and Geographic Survey of the Territories (1874–1879), photographer William Henry Jackson
Fort Yellowstone (circa 1910), formerly a U.S. Army post, now serves as park headquarters.
Superintendent Horace M. Albright and black bears (1922). Tourists often fed black bears in the park's early years, with 527 injuries reported from 1931 to 1939.
The Roosevelt Arch in Gardiner, Montana, at the north entrance
Pictorial map by Heinrich C. Berann (1991); scale exaggerated
Official park map c. undefined 2006 (click on map to enlarge)
Satellite image of Yellowstone National Park in 2020
Columnar basalt near Tower Fall; large floods of basalt and other lava types preceded mega-eruptions of superheated ash and pumice.
Boardwalks allow visitors to safely approach the thermal features, such as Grand Prismatic Spring.
Infrastructure damage at Hebgen Lake due to the 7.2 magnitude earthquake of 1959
Meadow in Yellowstone National Park
Yellowstone sand verbena are endemic to Yellowstone's lakeshores.
American bison
Elk mother nursing her calf
A reintroduced wolf in Yellowstone National Park
Black bear and cub near Tower Fall
Elk in Hayden Valley
Pronghorn are commonly found on the grasslands in the park.
Fire in Yellowstone National Park
Wildfire in Yellowstone National Park produces a pyrocumulus cloud.
A crown fire approaches the Old Faithful complex on September 7, 1988.
Winter scene in Yellowstone
Geyser at Yellowstone Lake
Union Pacific Railroad brochure promoting travel to the park (1921)
Tourists watch Old Faithful erupt, 2019.
Vintage photo of human-habituated bears seeking food from visitors
Idaho portion of park highlighted in southwest corner (click to enlarge)

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

United States Secretary of the Interior

Head of the United States Department of the Interior.

The secretary and the Department of the Interior are responsible for the management and conservation of most federal land along with natural resources, leading such agencies as the Bureau of Land Management, the United States Geological Survey, Bureau of Indian Affairs and the National Park Service.

Sequoia National Park

American national park in the southern Sierra Nevada east of Visalia, California.

The High Sierra Trail above Hamilton Lake passes over the Great Western Divide
Mount Whitney
Tharp's Log, a cabin formed out of a hollowed-out giant sequoia log
A boulder found in Sequoia National Park honoring Captain Charles Young.
Great Western Divide from the summit of Mount Kaweah
Calcite formations in Crystal Cave
Tunnel Tree in 1940
Crescent Meadow in the Giant Forest, called the "Gem of the Sierra" by John Muir

The park is south of, and contiguous with, Kings Canyon National Park; both parks are administered by the National Park Service together as the Sequoia and Kings Canyon National Parks.

Yosemite National Park

American national park in California, surrounded on the southeast by Sierra National Forest and on the northwest by Stanislaus National Forest.

Sculpture of Chief Tenaya made by Sal Maccarone for the Tenaya Lodge in Yosemite National Park
Advertisement of 1907 inviting tourists to the park
Map of rail and stage routes to Yosemite in 1885
A view of the park and Vernal Falls, photographed by photographer Eadweard Muybridge in 1872.
Bridalveil Fall and El Capitan, by Carleton Watkins (c. 1880)
O'Shaughnessy Dam in Hetch Hetchy Valley
Park map
El Capitan, a granite monolith on Yosemite Valley's northern escarpment
Cathedral Peak
The Merced River flowing through Yosemite Valley, a U-shaped valley
Bridalveil Fall flows from a U-shaped hanging valley that was created by a tributary glacier.
Yosemite in autumn
Generalized geologic map of the Yosemite area (based on a USGS image)
Exfoliation joints cause erosion in granitic rocks, creating many domes including Half Dome.
Glacially polished granite cirque in upper Tenaya Canyon
Mule deer in Yosemite Valley
Marmot in Tuolumne Meadows
A black bear with an ear tag in Yosemite Valley
The yellow star thistle competes with Yosemite's native plants.
The Meadow Fire burns in Little Yosemite Valley, 2014
Yosemite hybrid shuttle, a free bus service
Hikers line the Half Dome cables on a busy summer day in 2008
Climbing the Narrows in Sentinel Rock
A ranger-guided snowshoe walk in the park
A Yogi Bear sign advising young visitors to not feed the bears at Yosemite National Park.
Tunnel tree at Yosemite National Park in May of 2022

The park is managed by the National Park Service and covers an area of 759620 acre and sits in four counties – centered in Tuolumne and Mariposa, extending north and east to Mono and south to Madera County.

United States Department of the Interior

One of the executive departments of the U.S. federal government headquartered at the Main Interior Building, located at 1849 C Street NW in Washington, D.C..

The hierarchy of the U.S. Department of the Interior.

It manages 476 dams and 348 reservoirs through the Bureau of Reclamation, 410 national parks, monuments, seashore sites, etc. through the National Park Service, and 544 national wildlife refuges through the Fish and Wildlife Service.

Kings Canyon National Park

American national park in the southern Sierra Nevada, in Fresno and Tulare Counties, California.

Map of Kings Canyon National Park (click to enlarge)
Mount Agassiz is located on the Sierra Crest along the eastern edge of the park.
The upper part of Kings Canyon, seen here at Zumwalt Meadow, was carved out by Ice Age glaciers.
Dusy Basin includes many small lakes, such as this one, carved by glaciers from granite.
General Grant tree, located in the General Grant Grove of giant sequoias in Kings Canyon National Park
An American black bear in Kings Canyon National Park
Meadow and forest habitat along the Copper Creek Trail, north side of Kings Canyon.
Kearsarge and Bullfrog Lakes seen from Kearsarge Pass. The pass was the main route for Paiute peoples traveling from the Owens Valley into Kings Canyon.
Gamlin Cabin, built by loggers in 1872, is the oldest surviving structure in Kings Canyon National Park.
North Palisade from Windy Point, photographed by Ansel Adams, ca. 1936.
Middle Fork at Kings River from South Fork of Cartridge Creek, Kings River Canyon, photographed by Ansel Adams, 1936
A view of the Kings River at Zumwalt Meadow in 1940, the same year most of Kings Canyon became a national park. This area would have been flooded by the proposed Cedar Grove Dam.
A forested area of Kings Canyon National Park near Grant Grove, the original park established in 1890.
Roaring River Falls, 40 ft high, is easily accessed via a short hike in Cedar Grove.
Rae Lakes (Middle Rae Lake shown) is one of several backpacking destinations in the park.
Tehipite Dome, in the Kings Canyon backcountry, has various climbing routes ranging from grade II–VI.
Section of the South Fork in Cedar Grove

Kings Canyon is north of and contiguous with Sequoia National Park, and both parks are jointly administered by the National Park Service as the Sequoia and Kings Canyon National Parks.

Stephen Mather

Mather Memorial Plaque at Zion National Park – "He laid the foundation of the National Park Service, defining and establishing the policies under which its areas shall be developed and conserved unimpaired for future generations. There will never come an end to the good that he has done." (Other plaques located at many NPS sites.)

Stephen Tyng Mather (July 4, 1867 – January 22, 1930) was an American industrialist and conservationist who was the first director of the National Park Service.

National Wilderness Preservation System

The National Wilderness Preservation System (NWPS) of the United States protects federally managed wilderness areas designated for preservation in their natural condition.

The Wilderness Act protects exceptionally undisturbed natural areas and scenery, such as in the Ansel Adams Wilderness.
Acres of wilderness added by year
High Schells Wilderness, Nevada
Wilderness boundary marker in Idaho
Red Mountain Wilderness, Nevada
Amphibians, like this newt in the Cohutta Wilderness of North Georgia, are among the many types of fauna protected by the NWPS.
Share of area managed by each agency as of 2012

Wilderness areas are managed by four federal land management agencies: the National Park Service, the U.S. Forest Service, the U.S. Fish and Wildlife Service, and the Bureau of Land Management.

National Park Service Organic Act

The National Park Service was created on August 25, 1916, by Congress through the National Park Service Organic Act.

The National Park Service Organic Act (or simply "the Organic Act" within the National Park Service, conservationists, etc.) is a United States federal law that established the National Park Service (NPS), an agency of the United States Department of the Interior.