Taylor, R.B. (1964). Geology of the Duluth Gabbro Complex near Duluth, Minnesota. Minneapolis, Minnesota, 1st edition
Taylor, R.B. (1964). Geology of the Duluth Gabbro Complex near Duluth, Minnesota. Minneapolis, Minnesota University Press, 1st edition, x + 63pp. + map in pocket. Hardback, maroon cloth-covered boards, with gilt lettering to spine. Minor shelf wear, spine faded. Owner signature on front free end-paper. Text clean and unmarked. Colour printed map Geologic Map of Duluth and Vicinity, St. Louis County, Minnesota, 1:24,000, 112 x 91cm folding to 23 x 14 cm in fine condition. In very good to fine condition.