The occurrence and distribution of corundum in the United States
By: by Joseph Hyde Pratt.
Series: Bulletin of the United States Geological Survey -- no. 180; Geological Survey bulletin -- 180.
Publisher: Govt. Print. Off.
Published: 1901
Place of publication: Washington
Language: eng
Number of pages: 98
Subjects: Corundum -- United States.; Peridotite -- United States.; Geology, Economic -- United States.; Rubies -- United States.; Sapphires -- United States.; Emery -- United States.
Notes: Subject series : A, Economic geology, 11.

Includes bibliographical references and index.