Origin of the emery deposits near Peekskill, New York
By: by John Weston Butler, jr. ...
Published: 1936
Place of publication: Washington]
Language: eng
Number of pages: 574
Subjects: Emery; Geology
Notes: Vita.

"Reprinted from the American mineralogist, vol. 21, no. 9 [September, 1936]"

Thesis (Ph. D.)--Columbia university, 1936.

Bibliographical foot-notes.