The Cornish pump in the California gold mines
By: by Roger P. Lescohier.
Publisher: R.P. Lescohier
Published: 1991
Place of publication: [California?]
Language: eng
Number of pages: 24
Subjects: Mine pumps -- History.; Gold mines and mining -- California -- History.
Notes: Includes bibliographical references (p. [25]-[26]).
Cover title.