US Geological Survey
U.s. Geological Survey
The U.S. Geological Survey reports on the latest news affecting the earth today, as well as providing a wealth of data, reports, and information.
US Department of Agriculture
Columbia River Gorge National Scenic Area Columbia River
This site offers information about the Columbia River, its history and gorge geology.
Ducksters
Ducksters: United States Geography: Rivers
Kids learn about the major rivers of the United States including the Mississippi, Missouri, Rio Grande, Colorado, and the Hudson. Geography of the US.
Travel Document Systems
Tds: Malawi: Geography
See how the Great Rift Valley and Lake Malawi dominate Malawi's geography. Read about the climate, terrain, and population density. Information is from the U.S. State Dept. Background Notes.
Travel Document Systems
Tds: Bulgaria: Geography
A brief but thorough description of the physical environment of Bulgaria including its terrain, bodies of water, and climate. Information is from the U.S. State Dept. Background Notes.
Discovering Lewis & Clark
Discovering Lewis & Clark: Geography
How did Lewis and Clark map the unknown lands? Learn how they marked the territory using mental mapping, Indian spatial concepts, and formal navigation.
Other
Columbia River History
This site contains very informative content about the the Columbia River. Find out about its location, tributaries, uses, and history.
Discovering Lewis & Clark
Discovering Lewis & Clark: The Missouri: Habits & Eccentricities
Take a closer look at the "Big Muddy" and all its peculiarities. Learn about the personality of the Missouri River from the days of Lewis and Clark up to today.
Khan Academy
Khan Academy: Introduction to China
Much of China, a country slightly larger than the continental United States, is hilly or mountainous. To its east lies the Pacific Ocean; to its south thick jungles. Mountains in the southwest connect in the west with the Himalayas,...
Cynthia J. O'Hora
Mrs. O's House: Sheets Island Archipelago
The city of Harrisburg, Pennsylvania and Central Pennsylvania Conservancy are deciding who should own a small island in the Susquehanna River, deeded to the city by it's original inhabitant, James McCormick, in 1912 under the conditions...
Library of Congress
Loc: Map Collections 1500 2002
This collection provides maps dating back to 1500 up to the present. The collection includes: cities, towns, discovery and exploration, conservation and environment, military battles, cultural landscapes, transportation, communication,...