Elevation from AWS Terrain Tiles, built on USGS surveys. Shadows are cast by the ground itself at the sun's true angle. Slopes are steepened 1.4 times for the shading. Contours every 250 metres.
Elevation from AWS Terrain Tiles, built on USGS surveys. Shadows are cast by the ground itself at the sun's true angle. Slopes are steepened 1.4 times for the shading. Contours every 250 metres.