geoglyphs

Noun

geoglyph (plural geoglyphs)

1. A large-scale drawing or image made on the ground by arranging lines of stones, scratching the earth, etc., and often only fully visible from a distance or the air.
   • These, and almost 100 others stretched along the Colorado River in the California and Arizona deserts, are called geoglyphs or earth carvings by scientists. [...] Although their exact purpose and meaning are still a mystery, we do know these large and delicate geoglyphs are easily damaged by...1982, “6,000 Years Ago: Blythe, California: Giants of the Desert”, in Your Fragile Legacy: Cultural and Fossil Resources on the Public Lands, [Washington, D.C.]: Bureau of Land Management, United...