Description: GTOPO30 is a digital elevation model for the world, developed by USGS. It has a 30-arc second resolution (approximately 1 km) and is split into 33 tiles stored in the USGS DEM file format.
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File list (Check if you may need any files):
GTOPO-30\GTOPO30_merge.m
........\GTOPO30_resampled_to_ease.m
........\GTOPO30_resampled_to_geog.m
GTOPO-30