Placer mining in the state of Oregon
Subtitle: a guide to recreatonal and small-scale placer mining in Oregon's waterways : what you should know before you begin.
Contributors: Oregon. Division of State Lands.
Edition: 1999 ed.
Publisher: Division of State Lands
Published: 1999
Place of publication: Salem, Or
Language: eng
Number of pages: 21
Subjects: Placer mining -- Oregon.; Hydraulic mining -- Oregon.
Other titles: Guide to recreational and small-scale placer mining in Oregon's waterways :
Notes: Title from caption.

"10 February 1999."

Also available online.