Prospecting and operating small gold placers
By: by William F. Boericke ....
Edition: 2d ed.
Publisher: J. Wiley & sons, inc.; Chapman & Hall, limited
Published: 1936
Place of publication: New York; London
Language: eng
Number of pages: 144
Subjects: Gold mines and mining.
Other titles: Gold placers.
Notes: Bibliography: p. 134-136.
On cover: Operating small gold placers.