Attu Quadrangle References

Cobb, E.H., 1980, Summaries of data and lists of references to metallic and selected nonmetallic mineral deposits in fifteen quadrangles in southwestern and west-central Alaska: U.S. Geological Survey Open-File Report 80-909, 103 p.
Gates, O., Powers, H.A., and Wilcox, R.E., 1971, Geology of the Near Islands, Alaska: U.S. Geological Survey Bulletin 1028-U, 113 p., 3 map sheets, scale 1:63,360.
Ransome, A.L., and Kerns, W.H., 1954, Names and definitions of regions, districts, and subdistricts in Alaska: U.S Bureau of Mines Information Circular 7679, 91 p.