US Geological Survey
U.s. Geological Survey: Land Use History and Changing Landscapes
This resource provides links that overview the history of land use in the United States. Numerous satellite images of different areas are provided.
PBS
Pbs: Journey to Planet Earth: Urban Explosion
From the "Journey to Planet Earth" series, PBS takes a look at the world's exploding urban population. Includes video clips and educational resources.
Digital History
Digital History: The South's Economy
A good look at the economy of the South prior to the Civil War. Read a good explanation of how the use of slave labor impeded technological innovation and a lack of urban development. See how transportion improvements and good public...