Investigation of magnetic iron-ores from eastern Ontario
Published: 1899
Place of publication: New York]
Language: eng
Number of pages: 40
Subjects: Iron ores
Notes: Pub. also as Columbia university.  Havemeyer laboratories.  Contributions, 1899, vol. 2, no. 9.

Reprinted from the Transactions of the American institute of mining engineers, 1899.

Thesis (PH. D)--Columbia university.