Links to web sites related to physical geography

• A Primer on Latitude and Longitude: This is a remote site produced by Geosystems Global Corporation, 1998.
• The analemma
• Topographic Maps: a brief introduction to reading contour lines from the Natural Resources Conservation Service in New Hampshire
• US Geological Survey
• Volcano World
• Plate tectonics: description and animations.
• Mass wasting photos and descriptions; diagrams; and more diagrams.
• Pleistocene environments and fauna: Illinois State Museum exhibit