Visualizing the Land Surface -
Topographic Maps
Copyright 2002 by Stephen J. Reynolds, Julia K. Johnson,
and Carla McAulliff.
Developed as part of the
NSF-funded Hidden Earth Project (EAR-9907733)
and the U.S. Department of Education (P336B990064) Arizona Teacher
Excellence
Coalition (AZTEC). Thanks to Michael Piburn, Debbie Leedy, James Birk,
and Barbara Tewksbury.