Topography
Digital Elevation Model (DEM) for the Northern ISA
Digital Elevation Model (DEM) for the Eastern ISA
Digital Elevation Model (DEM) for the Southern ISA
Slope for the Northern ISA
Slope for the Eastern ISA
Slope for the Southern ISA
Aspect for the Northern ISA
Aspect for the Eastern ISA
Aspect for the Southern ISA
http://www.cpc.unc.edu/projects/ecuador/metadata/topography.html