Image Missing: Hearst Museum object titled 16mm motion picture film, accession number 26-509, described as Obsidian point making; unearthing obsidian blocks from Glass Mountain; California, pressure flaking arrow point; museum displays of projectile points and shafts; title shots; plus footage on ceremonial blades; magnesite nodules, cylinders, and beads. Camera rolls 506–508. Original outs and trims.