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State Library of North Carolina
N Cpedia: Fontana Dam
Fontana Dam, the largest dam of the Tennessee Valley Authority (TVA) system, is located on the Little Tennessee River in Graham County. Completed in 1945, it is a gravity-type concrete structure 480 feet high, 2,365 feet long, and 376...
PBS
Pbs Learning Media: Taming the Mississippi
At 2,300 miles long, the Mississippi River is the second longest river in North America. People have tried to control the flow of the river to prevent floods and keep it flowing towards port cities. This can lead to loss of land in the...
Science Education Resource Center at Carleton College
Serc: Investigating Neighborhood Wetlands
For this Environmental Science and Engineering field activity, students will map a neighborhood wetland and generate various watershed questions. Students will identify engineered structures in or around this wetland and consider how...
Harp Week
Cartoon of the Day: On This Day: May 13, 1882
Flooding along the Mississippi River system has been a problem for many states and presidents. Look over this political cartoon drawn by Thomas Nast and read a little history behind the problem and see why President Arthur vetoed the...
Curated OER
Educational Technology Clearinghouse: Maps Etc: North China, 1971
" North China includes the densely populated and intensively cultivated North China Plain, the loess-covered uplands of Shansi, northern Shensi, and eastern Kansu, and the sparsely populated, semiarid steppes of Inner Mongolia....
Curated OER
Unesco: Netherlands: Defence Line of Amsterdam
Extending 135 km around the city of Amsterdam, this defence line (built between 1883 and 1920) is the only example of a fortification based on the principle of controlling the waters. Since the 16th century, the people of the Netherlands...