Online museum of environmental art, advancing creative efforts to improve people's relationship with the natural world.
Wikipedia: Land Art
Examines the inspiration, participating artists, historical works, and description of the form of art which came to prominence in the late 1960s and 1970s.
ArtLex on Earth Art and Earthworks
Refers to a movement of artists with wide ranging goals, but all created in nature, employing such materials as stones, dirt, and leaves.
WIPP Exhibit: Message to 12,000 A.D.
Report including illustrations of the proposed 10,000-year marking system for the Waste Isolation Pilot Plant site.