Gigantic intaglio pictographs in the Californian desert
Subtitle: mysterious silhouettes of men and animals formed on the ground by an unknown race, who may have resorted to this barren district for ritual purposes long ago
Published: 1932
Place of publication: London
Language: eng
Number of pages: 379
Notes: Figures discovered by George Palmer.

From "The Illustrated London news. Sept.10, 1932".