41. Reconnaissance for radioactive deposits in southeastern Alaska, 1952 Author/Creator: Houston, Joseph R., author Publication/Creation: Washington, D.C. : United States Department of the Interior, Geological Survey, 1958 Resource Type: Book Access & Availability: Loading
42. Reconnaissance for radioactive deposits in the Eagle-Nation area, east-central Alaska, 1948 Author/Creator: Wedow, Helmuth, 1917- author Publication/Creation: Washington, D.C. : United States Department of the Interior, Geological Survey, 1954 Resource Type: Book Access & Availability: Loading
43. Reconnaissance for radioactive deposits in the Eagle-Nation area, east-central Alaska, 1948 Author/Creator: Wedow, Helmuth, 1917- Publication/Creation: Washington : [publisher not identified], 1954 Resource Type: Book Access & Availability: Loading
44. Reconnaissance for radioactive deposits in the Ruby-Poorman and Nixon Fork districts, west-central Alaska, 1949 Author/Creator: White, Max Gregg, 1916- Publication/Creation: Washington : [publisher not identified], 1953 Resource Type: Book Access & Availability: Loading
45. Reconnaissance for radioactive deposits in the Ruby-Poorman district, Ruby Quadrangle, central Alaska, 1949 Author/Creator: White, Max Gregg, 1916- author Publication/Creation: Washington, D.C. : United States Department of the Interior, Geological Survey, 1953 Resource Type: Book Access & Availability: Loading
46. Reconnaissance from Fort Hamlin to Kotzebue Sound, Alaska, by way of Dall, Kanuti, Allen, and Kowak rivers Author/Creator: Mendenhall, Walter C. 1871-1957. (Walter Curran) Publication/Creation: Washington : Gov't print. off, 1902 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 7-10. Access & Availability: Loading
47. Reconnaissance from Fort Hamlin to Kotzebue Sound, Alaska, by way of Dall, Kanuti, Allen, and Kowak rivers Author/Creator: Mendenhall, Walter C. 1871-1957, (Walter Curran), author Publication/Creation: Washington : Department of the Interior, United States Geological Survey, 1902 Resource Type: Book Access & Availability: Loading
48. Reconnaissance geology of the Eagle A-1 and A-2 quadrangles, Alaska Author/Creator: Foster, Helen Laura, 1919- Publication/Creation: Washington : U.S. Govt. Print. Off, 1969 Resource Type: Book Is Part Of: U.S. Geological Survey bulletin, no. 1271. Access & Availability: Loading
49. Reconnaissance geology of the Eagle A-1 and A-2 quadrangles, Alaska : a brief description of the geology of the Eagle A-1 and A-2 quadrangles, a part of the Fortymile placer gold mining country Author/Creator: Foster, Helen Laura, 1919- author Publication/Creation: [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1969 Resource Type: Book Access & Availability: Loading
50. Reconnaissance geology of the Northern Yukon-Koyukuk Province, Alaska, Author/Creator: Patton, William Wallace, 1923- Publication/Creation: Washington : U.S. Govt. Print. Off.; [for sale by the Supt. of Docs.], 1973 Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 773-779. Access & Availability: Loading