Vol. s2-50, Issue 150, 1870November 01, 1870 EDT
Geological Explorations in China
Geological Explorations in China
Baron von Richthofen,
von Richthofen, B. (1870). Geological explorations in China. American Journal of Science, s2-50(150), 410–413. https://doi.org/10.2475/ajs.s2-50.150.410