Ch'ing-Hai upper Yellow River expedition : Rock and Simpson, 1925-1927 / [cartography by] J.F. Rock.

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Ch'ing-Hai upper Yellow River expedition : Rock and Simpson, 1925-1927 / [cartography by] J.F. Rock.

1 map on 10 sheets : col. ; 270 x 228 cm., on sheets 69 x 54 cm. and 54 x 69 cm.

eng,

chi,

tib,

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Rock, Joseph Francis Charles, 1884-1962

http://n2t.net/ark:/99166/w69g5tbr (person)

Not only a botanist, plant collector, naturalist, and explorer, Joseph Rock was also a philologist, linguist, and anthropologist. Beginning in 1924 Rock explored northwest China and Tibet, collecting plant material for the Arnold Arboretum and ornithological specimens for Harvard's Museum of Comparative Zoology. On his 1924 expedition Rock collected 20,000 herbarium specimens and many packages of propagative material. Few new species were found but Rock lived up to Sargent's principal objective,...