Urban_Growth_Portland_Oregon.ogv

Summary

Description Urban Growth Portland Oregon.ogv	English: Using the Landsat satellite, scientists are able to study the urban sprawl of major cities. Red dots in these images indicate areas of growth between 1986 and 1996. Starting with a view of the Portland, Oregon, vicinity. Red dots appear showing the areas where growth has occurred between 1986 and 1996.
Date	21 February 2000
Source	http://svs.gsfc.nasa.gov/vis/a000000/a001000/a001043/a001043.mpg
Author	Stuart A. Snodgrass for NASA

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