Cartographic bookmarks
   Over 10,500 links to sites with and about maps.
   http://oddens.geog.uu.nl/index.html

Color Landform Atlas of the United States
   Maps include satellite information, 1895 state maps, and links to outside resources.
   http://fermi.jhuapl.edu/states/states.html

Internet Resources for Physical Geography
   Extensive list of links to sites pertaining to various subdisciplines of Physical Geography.
   http://www.uwsp.edu/geo/internet/physical_geog_resources.html

Iowa Geological Survey Bureau, USA
   Website of the Geological Survey Bureau of the Iowa Department of Natural Resources, including a Geologic Sample Database (GEOSAM)with geologic information for 35,000 locations in Iowa.
   http://www.igsb.uiowa.edu/

Maps and Geography
   Map machine of National Geographic
   http://www.nationalgeographic.com/resources/ngo/maps/

NASA's Global Change Master Directory
   A comprehensive directory of information about Earth science data, including a broad coverage of the oceans, atmosphere, hydrosphere, solid earth, biosphere and human dimensions of global change.
   http://gcmd.gsfc.nasa.gov/

Physical Geography Net Links
   Guide to many Physical Geography sites
   http://geography.about.com/education/geography/msub10.htm

Physical Geography on the Internet.
   A wide choice of links to sites dealing with earth surface features including natural hazards.
   http://geography.about.com/msubmenu2.htm

Physical Geography sites on Internet
   Index of articles about Daylight Saving Time, the hydrologic cycle, El Nino, rivers, seasons, ice ages, and more topics in Physical Geography
   http://geography.about.com/education/geography/library/weekly/topicsub7.htm

Soil and Water Conservation Society
   A non-profit, scientific and educational organization of professional conservationists.
   http://www.swcs.org/

The Distinctiveness of Geography
   Systematic development of a series of definitions of various aspects and subdisciplines of Geography.
   http://www.geog.umd.edu/homepage/courses/600/week09/dgeog/tsld001.htm

The Six Essential Elements of Geography
   What makes geography?
   http://www.ncge.org/publications/tutorial/overview/6.html

USDA-Natural Resources Conservation Service
   Provides links to conservation service offices in Fort Worth, Texas.
   http://www.nrcs.usda.gov/

USGS -- Water Resources of the United States
   Includes information on water use, with both historical and current data.
   http://h2o.usgs.gov/

USGS Global Change Research Program
   The U.S. Geological Survey's Global Change Research Program is an international source for ground-based and remotely sensed earth science data and information used by global change researchers and contributing to assessments of the potential effects of gl
   http://geochange.er.usgs.gov/

Virtual Geography Department Project
   Series of online course in geography including slide shows.
   http://www.colorado.edu/geography/virtdept/contents.html