Heavy Mineral Assemblages of Some of The Plutonic Rocks of Eastern Oregon by J C Reed & James Gilluly - 1932

American Mineralogist, 1932. Soft cover. Good. pp 201-220 An article signed by its author James Gilluly on the igneous rocks of the 'pre-Tertiary terrane of the Blue Mountains of norheastern Oregon'. This offprint is signed in the top right hand corner of the front cover - 'Wth the compliments of James Gilluly'. There is some browning but the text is otherwise complete. This forms part of a large quantity of natural historical pamphlets recently acquired by Modernfirsteditions. Good 1932