Hess, Harry Hammond, 1906-1969, Stillwater igneous complex, Montana: a quqntitative mineralogical study/ By H. H. Hess. - New York: Geological Society of American, 1960. - xiii, 230 pages : illustrations ; 26 cm. - Memoir (Geological Society of America) 80 . Bibliography: pages 221-225. Subjects--Topical Terms: Rocks, Igneous.Petrology--Montana.Crystallography.Mineralogy--Montana.Rocks, Metamorphic.