The relation of the titaniferous magnetite deposits of northeastern Minnesota to the Duluth gabbro
By: by Thomas M. Broderick ...
Publisher: Press of the New era printing company
Published: 1918
Place of publication: Lancaster, Pa
Language: eng
Number of pages: 696
Subjects: Iron ores -- Minnesota.
Notes: Thesis (Ph. D.)--University of Minnesota, 1917.
Reprinted from Economic geology, vol. XII, no. 8, December, 1917; vol. XIII, no. 1, January, 1918.