Start Date: End Date: Published Date Data Date
Map of Paved Surfaces
Published June 4, 2001
Scientists are using a major advance in satellite-based land surface mapping to create more accurate and detailed maps of our cities.
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540 x 405 87 KB - JPEG
San Fernando Valley, California
Published October 3, 1994
600 x 416 66 KB - JPEG
3894 x 2702 24 MB - PNG