871-880 National Museum of Natural History (U.S.) Pacific Ocean Biological Survey Program text Field notes Black-and-white photographs 1961-1973 eng The black-and-white photographs were taken as part of the Pacific Ocean Biological Survey Program. They depict birds (species not identified), people (possibly researchers), and landscapes. There are no captions on the reverse of the photographs. No photographers or locations are indicated. The black-and-white photographs were taken as part of the Pacific Ocean Biological Survey Program. They depict birds (species not identified), people (possibly researchers), and landscapes. There are no captions on the reverse of the photographs. No photographers or locations are indicated. Ornithology Pacific Ocean Biological Survey Program Landscapes Pacific Ocean National Museum of Natural History, Pacific Ocean Biological Survey Program, records, circa 1961-1973, with data from 1923 Many of SIA's holdings are located off-site, and advance notice is recommended to consult a collection. Please email the SIA Reference Team at osiaref@si.edu.