Shaded Relief - 6 of 5
Shaded Relief FAQs - 5 Found
What sources of elevation data were used to create the shaded relief?
Small scale shaded relief layers (30 arc-seconds and larger cell sizes) are derived from the USGS GTOPO30 dataset. Medium and large scale shaded relief layers (up to 16 arc-second cell size) are derived from the National Elevation Dataset (NED).