Alaska

Arizona

Utah

District of Columbia

Florida

Idaho

New Hampshire

Rhode Island

Vermont

Washington

Wyoming

Montana

Maine

North Dakota

Kentucky

Virginia

Delaware

Mississippi

West Virginia

Nebraska

Texas

Missouri

Louisiana

Hawaii

North Carolina

Oregon

Alabama

New Mexico

Kansas

Wisconsin

British Columbia

New Jersey

South Carolina

Michigan

Connecticut

Pennsylvania

Colorado

Nevada

Massachusetts

Georgia

New York

Maryland

Oklahoma

Tennessee

California

Arkansas

South Dakota

Ohio

Indiana

Minnesota

Iowa

Illinois

None

A map of the US highlights the major territorial acquisitions such as the Extent of the US, 1,800 in states like Virginia, Alabama, and Michigan shaded in cream. Mexican Cession, 1,850 in states like California and Nevada are shaded light purple.

Major territorial acquisitions by the United States

Major Territorial Acquisitions (U.S.)

North America

nature

A map shows the Wildland Urban Interface in the U.S., where urban areas meet wildlands. Dense W U I regions are highlighted in green, with high concentrations in the eastern U.S. (Atlanta), and California. Sparse in central U.S. like Nebraska and Wyoming.

Wildland Urban Interface (US)

United States

SILVIS LAB

Anthropogenic Biomes

Areas at Risk of Soil Degradation

Average Annual Precipitation

Biomes

Climate Zones

Global Mean Temperature, January

Global Mean Temperature, July

Global Surface Warming: Worst-Case Projections (NASA)

Insolation

Land Cover

Major Soil Orders

Prevailing Agricultural Practices

World Elevations

Display by:	Major Territorial Acquisitions (U.S.)												Wildland Urban Interface (US)
	Extent of U.S., 1803	Louisiana Purchase, 1803	West Florida, 1810–1813	British Cession, 1818	East Florida, 1819	Northern Maine, 1842	Texas Annexation, 1845	Oregon Country, 1846	Mexican Cession, 1848	Gadsden Purchase, 1853	Alaska, 1867	Hawaii, 1898	Wildland Urban Interface (US)
Alaska											94.5%
Arizona									76.2%	23.8%
Utah									100%
Idaho								99.8%
Wyoming		70.3%					4.53%	12.4%	12.7%
Montana		82.4%						17.6%
North Dakota		57.6%		42.4%
Nebraska		100%
Texas							99.5%
Hawaii												91.5%
Oregon								99.8%
New Mexico							57.5%		40.3%	2.23%
Kansas		91.7%					8.26%
British Columbia											1.43%
Colorado		41.3%					32.3%		26.4%
Nevada									99.9%
California									99.7%
South Dakota		99.1%
Minnesota	33.8%	45.1%		20.9%
Iowa		99.8%
Illinois	99.7%
District of Columbia	97.6%												25.9%
Florida					98.3%								9.34%
New Hampshire	99.9%												59.2%
Rhode Island	97.7%												78.3%
Vermont	99.9%												48.5%
Washington								99.4%					2.66%
Maine	82.4%					16.6%							23.8%
Kentucky	99.9%												19.1%
Virginia	99.5%												48.7%
Delaware	98.0%												2.08%
Mississippi	92.2%		7.44%										2.00%
West Virginia	100%												37.1%
Missouri		99.7%											2.89%
Louisiana		86.4%	12.4%										5.31%
North Carolina	99.2%												52.7%
Alabama	95.7%		4.16%										1.06%
Wisconsin	99.8%												1.29%
New Jersey	99.0%												36.1%
South Carolina	99.6%												37.9%
Michigan	99.9%												2.85%
Connecticut	99.6%												89.7%
Pennsylvania	100%												54.7%
Massachusetts	98.1%												78.8%
Georgia	99.8%												1.04%
New York	99.4%												41.9%
Maryland	96.9%												14.1%
Oklahoma		91.6%					8.45%						1.90%
Tennessee	99.9%												20.8%
Arkansas		99.8%											3.13%
Ohio	100%												23.0%
Indiana	100%												3.93%