IGNEOUS ROCKS

http://www.uwsp.edu/geo/projects/geoweb/participants/dutch/Vtrips/MtRushmore.HTM
Mount Rushmore, South Dakota.

http://www.winona.edu/geology/travels/Tetons/travel.html
Geology of Grand Teton National Park, Wyoming, U.S.A.

http://www.maroon.com/bigbend/ig/index.html
Big Bend National Park Igneous Features

http://www.gpc.edu/~pgore/stonemtn/text.htm
General geology, Stone Mtn, GA

http://uts.cc.utexas.edu/~rmr/E-rock/ERgeneral.html
Enchanted Rock in Central Texas:  the Enchanted Rock State Natural Area