Investigations relating to phosphates by the United States Geological survey in 1907
By: By F. B. Weeks ...
Contributors: Geological Survey (U.S.)
Series: Dept. of the interior - United States Geological survey; Dept. of the interior - United States Geological survey
Publisher: Govt. print. off.
Published: 1908
Place of publication: Washington
Language: eng
Number of pages: 12
Subjects: Phosphates -- United States.
Notes: "Advance chapter from Bulletin No. 340, Contributions to economic geology, 1907, Part I".