Round Top. Azimuth from west across chasm. Instruments from left as follows:-Man holding bitimeter rod; Solar Radiador; Plane
Table; Vertical Circle House; Prof. Davidson with large helitrope; Reconnoitering Telescope; The Odolete House, Azimuth; Refraction
station; Astronomical Observatory. In lower right corner are steps leading to bridge over chasm with life lines.
UC Berkeley, Hearst (Phoebe A.) Museum of Anthropology