Cornelia Hesse-Honegger	http://www.wissenskunst.ch/en/biographie.htm
Centre for Land Use Interpretation	http://clui.org
Rocky Mountain Arsenal	http://www.rma.army.mil/
Kids of Speed	http://www.kiddofspeed.com/
Canadian Forces Base Suffield	http://www.spatialagency.net/database/stalkerosservatorio.nomade
Spatial Agency	http://www.army.forces.gc.ca/cfb_suffield/history.asp
Stalkers	http://www.spatialagency.net/
Atlas of Critical Cartography	http://www.an-atlas.com/contents.html
Hand Drawn Map Association	http://www.handmaps.org/
Critical Art Ensemble	http://www.critical-art.net/
Mark Dion	http://www.pbs.org/art21/artists/dion/index.html
High Desert Test Sites	http://www.highdeserttestsites.com/
The Tree Museum	http://www.thetreemuseum.ca/treemuseum/index.html
Land Arts of the American West	http://landarts.org/
Experimental Geography	http://www.ici-exhibitions.org/index.php/exhibitions/experimental_geography/
Land Art New Mexico	http://www.landartnm.org/
Nevada Museum of Art and Environment	http://www.nevadaart.org/ae/index
greenmuseum.org	http://greenmuseum.org/
THE LAND/an art site	http://www.landartsite.org/
The Yes Men	http://theyesmen.org/
???????.....