National Geographic : 1930 Sep
GOLD WAS FOUND IN THESE BENGUET HILLS MORE THAN A THOUSAND YEARS BEFORE MAGELLAN VISITED THE PHILIPPINES Mines are still operated here. The river cutting through the rugged waste is the Agno. Some settlements surrounded bysmall irrigated fields may be seen along the stream. As such topography is not conducive to safety in case of a forced landing, the survey party was flying ataneleva tion of 12,000 feet when this photograph was made.