Gold placer area in Mongolia, China
By: by J. Morgan Clements, American trade commissioner. March 10, 1922.
Series: [United States]. Bureau of Foreign and Domestic Commerce. Trade information bulletin,; no. 4
Publisher: Govt. print. off.
Published: 1922
Place of publication: Washington
Language: eng
Number of pages: 14
Subjects: Gold mines and mining -- China -- Mongolia.; Placer mining.