Notes on the black sand deposits of southern Oregon and northern California
By: [by] R.R. Hornor.
Series: [United States] Bureau of mines. Technical paper; 196
Publisher: Govt. Print. Off.
Published: 1918
Place of publication: Washington
Language: eng
Number of pages: 42
Subjects: Gold mines and mining -- Oregon; Gold mines and mining -- California; Platinum
Other titles: Black sand deposits of southern Oregon and northern California.
Notes: "Selected bibliography": p. 38-39.
At head of title: ... Department of the interior. Franklin K. Lane, secretary. Bureau of mines. Van. H. Manning, director.
First edition, August 1918. cf. verso of t.-p.
"Publications on metal mining": p. 40-42.