00749nam a2200229Ia 4500 58660 BIBL 20160527190644.0 730803s1974 dcua b f00000 eng 73013519 //r89 EVLG QE1 .S227 no. 12 QE461 552/.2 Heiken, Grant. 233880 Local An atlas of volcanic ash. Washington Smithsonian Institution Press; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.] 1974. iv, 101 p. illus. 26 cm. Smithsonian contributions to the earth sciences no. 12 171552 Local 921004 Bibliography: p. 13-14. Volcanic ash, tuff, etc. 186366 Local 44820 44820 0 0 0 552_200000000000000_H465A 0 evl 122166 10 10 1 2016-05-27 84575 0 552.2 H465a 80000001244410 2016-05-27 00:00:00 r:58660 z:NCC:D 6