Curated OER
Educational Technology Clearinghouse: Maps Etc: Panama Canal, 1911
A map from 1911 of the Panama Canal showing the Canal Zone boundaries, the channel route from Colon to the city of Panama, railroad route, watershed division lines, lakes, reservoirs, locks, and towns along the canal.
Curated OER
Educational Technology Clearinghouse: Maps Etc: Scotland, 1904
A geo-political map of Scotland that shows district borders current to 1904, major cities, railroad lines, canals and navigable rivers. Hadrian's Wall is shown, referred to on the map as the Roman Wall. Physical features such as mountain...
Curated OER
Educational Technology Clearinghouse: Maps Etc: England and Wales, 1904
A geo-political map of England and Wales that shows country borders current to 1904, major cities, railroad lines, canals and navigable rivers. Hadrian's Wall is shown, referred to on the map as the Roman Wall. Physical features such as...
Curated OER
Educational Technology Clearinghouse: Maps Etc: United States, 1901
A map from 1901 of the United States showing the physical features of the area, including mountain systems and highlands, plateaus, basins, plains, lakes, rivers, and coastal features. The map is color-coded to show land elevations from...
Curated OER
Educational Technology Clearinghouse: Maps Etc: The United States, 1910
A map from 1910 of the United States showing general elevations, water depths, watershed boundaries, and terrain features, including the Pacific Slope, Great Basin, Colorado Plateau, Cordilleran Highlands, Rocky Mountains, Great Central...
Curated OER
Educational Technology Clearinghouse: Maps Etc: The United States, 1890
A map from 1890 of the United States showing physical features, and annual mean temperatures and rainfall. The map shows high mountains and lower ranges, watershed division boundaries, rivers, lakes, coastal features, and is color-coded...
Curated OER
Etc: Maps Etc: Orographical Map of the United States, 1906
An orographical map from 1906 of the United States showing terrain features including mountain systems, plateaus and slopes, watersheds, lakes, and rivers. The map is color-coded to show land elevations from sea level to over 10,000 feet.
Curated OER
Educational Technology Clearinghouse: Maps Etc: Oregon Controversy, 1792 1846
A map of the Oregon Territory between the time of exploration by George Vancouver (1792) and the Oregon Treaty of 1846. The map is color-coded to show the disputed claims of the British and United States, the Russian American line of...
Curated OER
Unesco: Suriname: Central Suriname Nature Reserve
The Central Suriname Nature Reserve comprises 1.6 million ha of primary tropical forest of west-central Suriname. It protects the upper watershed of the Coppename River and the headwaters of the Lucie, Oost, Zuid, Saramaccz, and Gran Rio...
Curated OER
Unesco: Kazakhstan: Saryarka Steppe and Lakes of Northern Kazakhstan
Saryarka - Steppe and Lakes of Northern Kazakhstan comprises two protected areas: Naurzum State Nature Reserve and Korgalzhyn State Nature Reserve totalling 450,344 ha. It features wetlands of outstanding importance for migratory water...
Curated OER
Wikipedia: National Historic Landmarks in Ohio: Miami and Erie Canal Deep Cut
Mile long segment of the Miami and Erie Canal cut as deep as 52 feet (16 m), in order to cut a trough through a blue clay ridge separating the St. Marys and Auglaize River watersheds.
Curated OER
Virginia Population Density
Although this site talks about regions in Virginia, it offers excellent information on regions in general, for example, ways regions might be classified; by population density, geology, watershed, ecosystem, economy, transportation,...
University of Oregon
Streams and Stream Dynamics/evolution of Drainage System
Drainage basis and drainage patterns, in addition to the three stages of stream development(youthful, mature, old age).
American Geosciences Institute
American Geosciences Institute: How Is Water Distributed?
See how the topography and gravity affect the distribution and flow of Earth's water.
CNN
Cnn: Annan: Mozambique Floods Wash Away Economic Gains
This article discusses flooding that took place in Mozambique during March of 2000.
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