Fossil preserver
Else clues• Archaelogical site
• Asphalt trap
• Downtown L.A. attraction
• Fossil source
• Geological preservation phenomenon
• Good place to hunt fossils
• La Brea attraction
• La Brea feature
• La Brea, for one
• Likely fossil location
• Mammoth catcher
• Mammoth trap
• Mammoth trapper
• Muck often full of bones
• Natural geological trap
• Rich source of fossils, perhaps
• Sticky situation?