| Title: GTOPO30 - Global Digital Elevation Model |
| Author: |
| Publisher: U.S. Geological Survey's EROS Data Center (EDC). |
| Year written or copyrighted: 1998 |
| Contributed by: Jeanette Zerneke, ECAI |
| Description: GTOPO30 is a global digital elevation model (DEM) with a horizontal grid spacing of 30 arc seconds (approximately 1 kilometer). GTOPO30 was derived from several raster and vector sources of topographic information. |
| URL: edcdaac.usgs.gov/gtopo30/gtopo30.asp |