Explores the physical structure of the Earth's landforms, including what they are, how they look, how they were created and change over time, and major geological events associated with each.

Electronic reproduction.

v. 1. Basin, canyon, cave, coast and shore, continental margin, coral reef, delta, dune, and other desert features -- v. 2. Fault, floodplain, geyser and hot spring, glacial landforms and features, landslide and other gravity movements, mesa and butte, meteorite crater, mountain -- v. 3. ocean basin, plain, plateau, stream and river, valley, volcano.