Closeup of Feature 21, a shallow depression with a thin band of burned grass at the top, July 1969
Closeup of Feature 21, a shallow depression with a thin band of burned grass at the top, July 1969; 45GA61.12530 4-345
Closeup of Feature 21, a shallow depression with a thin band of burned grass at the top, July 1969; 45GA61.12530 4-345