Le Compte , J. R. , and Steele , W. C. , 1981 , Maps showing interpretation of Landsat imagery of the Chignik and Sutwik Island quadrangles , Alaska : U.S. Geological Survey Miscellaneous Field Studies Map MF - 1053-0 , 2 sheets .
Circulars are distributed at no cost to the public . a Fact Sheets communicate a wide variety of timely information on USGS programs , projects , and research . They commonly address issues of public interest . Fact Sheets generally are ...
Chapman, R. M., 1976, Progress report on new geologic mapping in the Ruby quadrangle, in Cobb, E. H., ed., The United States Geological Survey in Alaska—Accomplishments during 1975: U.S. Geological Survey Circular 733, p. 41-42.
-1982 , Placers and placer mining , Circle district , Alaska , in Coonrad , W.L. , ed . , The United States Geological Survey in Alaska : Accomplishments during 1980 : U.S. Geological Survey Circular 844 , p . 64 .