High Island Small 320×90 Medium 640×181 Large 1024×289 Download Tiff Original 2400×678 | (583.2 KB) Description This is an illustration of an island with an altitude of two thousand feet or more. It is surrounded by coral-reefs. Keywords coral, island, mountain, reef Galleries Geology Source: James D. Dana, New Text-book of Geology (New York: Ivison, Blakeman & Company, 1883) 78