SNYDER, G. L. Geology of little Sitkin island Alaska / by G. L. Snyder. -- Washington : United States Government Printing Office, 1959 - P. 169-210 + map. -- (Geological Survey Bulletin ; 1028-H). Subjects--Topical Terms: AlaskaGeologíaPetrologíaRocas ígneas Universal Decimal Class. No.: 552.3(798)