When DOI studies earthquakes, volcanoes, or water resources, this bureau does the research.
What is the U.S. Geological Survey?
This act sets nationwide air quality standards and requires states to develop implementation plans to reduce harmful emissions from stationary and mobile sources.
What is the Clean Air Act (CAA)?
This canyon, visible from space, is one of the most famous landscapes managed by DOI.
What is the Grand Canyon?
This President established the National Park Service in 1916.
Who is Woodrow Wilson? (The NPS Organic Act was signed under his administration.)
The Statue of Liberty, cared for by the National Park Service, was a gift from this country.
What is France?
This is the largest single DOI bureau by land area, covering 245 million acres of America’s public lands.
What is the Bureau of Land Management?
This law establishes the basic structure for regulating discharges of pollutants into surface waters and includes permitting programs like NPDES.
What is the Clean Water Act (CWA)?
Old Faithful Geyser erupts in this world‑famous national park.
What is Yellowstone National Park?
This explorer and geologist led the first scientific expedition through the Grand Canyon.
Who is John Wesley Powell?
This famous Pennsylvania battlefield, managed by DOI, was the turning point of the Civil War.
What is Gettysburg?
This bureau is the nation's largest wholesale water supplier, operating 296 reservoirs with a total storage capacity of 140 million acre-feet.
What is the Bureau of Reclamation?
This foundational environmental law requires federal agencies to analyze the environmental consequences of major proposed actions before making decisions, often resulting in documents like EAs or EISs.
What is NEPA?
You can stand among giant sequoias and enormous granite cliffs in this California national park.
What is Yosemite?
This was the first Secretary of the DOI, who also served as Secretary of the Treasury.
Who is Thomas Ewing?
You can visit the home of this civil rights leader at his namesake National Historical Park.
Who is Martin Luther King, Jr.?
Originally created in 1824 under the Department of War, Congress transferred this bureau to the newly created DOI in 1849 as its first bureau.
What is the Bureau of Indian Affairs?
This law governs cleanup of hazardous waste sites and authorizes federal response to releases of hazardous substances.
What is CERCLA?
Millions visit this “crown jewel” of the Rockies, home to alpine lakes and wildlife.
What is Rocky Mountain National Park?
This conservationist and USFWS biologist wrote Silent Spring, helping launch the modern environmental movement.
Who is Rachel Carson?
This National Historic Site protects the Massachusetts home where a U.S. President and his son, also a future U.S. President, once lived.
What is the Adams National Historical Park?
This Bureau diverted the largest share of its generated Municipal Solid Waste (MSW) in FY25, with approximately 94.6% of MSW diverted.
What is the U.S. Fish and Wildlife Service?
This statute regulates the generation, transport, treatment, and disposal of solid and hazardous waste, and establishes cradle‑to‑grave management of hazardous materials.
What is RCRA?
This tall sandstone monolith in Utah’s canyon country inspired many Western films.
What is Monument Valley?
The first Director of the National Park Service, he promoted parks as places for all Americans to enjoy.
Who is Stephen Mather?
Mesa Verde preserves the cliff dwellings of this ancestral Indigenous culture.
Who were the Ancestral Puebloans?