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Cite
Rockhill, William Woodville, 1854-1914. Route map of explorations in Mongolia and Tibet by W. Woodville Rockhill in 1891-1892 [cartographic material] / [lithographed by] Turner & Shawe; 43 Brewer Street, London W. (geotiff). [GeoTIFF]. London : Edward Stanford, 1894.. Retrieved from https://maps.princeton.edu/catalog/princeton-dcvt150w99b