Methods and costs of gravel and placer mining in Alaska
By: by Chester Wells Purington.
Series: U.S. Geological survey. Bulletin; no. 263
Publisher: Govt. Print. Off.
Published: 1905
Place of publication: Washington
Language: eng
Number of pages: 273
Subjects: Gold mines and mining -- Alaska.
Notes: Bibliography: p. 261-262.
Subject series: A, Economic geology, 55.
"Notes on dredging, by J. P. Hutchins": p. 173-190.
Includes index.