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You searched for: Author USGS National Center for EROS Remove constraint Author: USGS National Center for EROS Subject Imagery and Base Maps Remove constraint Subject: Imagery and Base Maps Place United States Remove constraint Place: United States Place Canada Remove constraint Place: Canada
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1. Color North America Shaded Relief: 1-Kilometer Resolution

1993. USGS National Center for EROS. The North America Shaded Relief data were derived from the GTOPO30 elevation data. GTOPO30 is a global digital elevation model (DEM) with a horizon... National Atlas of the United States.