From introduction: "This report is a statement of progress during the six-months period from June 1 to November 30, 1955 on investigations of radioactive materials in the United States and Alaska, undertaken by the U.S. Geological Survey under the sponsorship of the U.S. Atomic Energy Commission.
Report discussing geological investigations in 1947 of the Lower Yukon-Kuskokwin region in Alaska to...
Report discussing the U.S. Geological Survey's reconnaissance for radioactive materials/uranium in s...
Semiannual report describing the U.S. Geological Survey's progress in searching for radioactive depo...
From introduction: "This report is a statement of progress during the six-months period from June 1 ...
The following report is a statement of progress during the six-months period from December 1, 1955 t...
A report containing a statement of progress during the six-months period from June 1 to November 30,...
From foreword: This report is a statement of progress during a six-month period on investigations of...
This report is a statement of progress during a six-months period and gives the principal unclassif...
From introduction: This report is a statement of progress during a six-month period and gives the pr...
Report discussing the progress on investigations of radioactive material in the United States and Al...
From introduction: Since 1945 the Alaskan Trace Elements Unit of the U. S. Geological. Survey has be...
The following report is a statement of the Geological Survey's progress on the investigation of the ...
Semiannual report discussing progress made on the behalf of the Division of Raw Materials and Resear...
Report summarizing findings of investigations for radioactive source materials in Alaska from 1945 t...
Report discussing the U.S. Geological Survey's analysis of radioactive rocks collected from Nevada b...
Report discussing geological investigations in 1947 of the Lower Yukon-Kuskokwin region in Alaska to...
Report discussing the U.S. Geological Survey's reconnaissance for radioactive materials/uranium in s...
Semiannual report describing the U.S. Geological Survey's progress in searching for radioactive depo...
From introduction: "This report is a statement of progress during the six-months period from June 1 ...
The following report is a statement of progress during the six-months period from December 1, 1955 t...
A report containing a statement of progress during the six-months period from June 1 to November 30,...
From foreword: This report is a statement of progress during a six-month period on investigations of...
This report is a statement of progress during a six-months period and gives the principal unclassif...
From introduction: This report is a statement of progress during a six-month period and gives the pr...
Report discussing the progress on investigations of radioactive material in the United States and Al...
From introduction: Since 1945 the Alaskan Trace Elements Unit of the U. S. Geological. Survey has be...
The following report is a statement of the Geological Survey's progress on the investigation of the ...
Semiannual report discussing progress made on the behalf of the Division of Raw Materials and Resear...
Report summarizing findings of investigations for radioactive source materials in Alaska from 1945 t...
Report discussing the U.S. Geological Survey's analysis of radioactive rocks collected from Nevada b...
Report discussing geological investigations in 1947 of the Lower Yukon-Kuskokwin region in Alaska to...
Report discussing the U.S. Geological Survey's reconnaissance for radioactive materials/uranium in s...
Semiannual report describing the U.S. Geological Survey's progress in searching for radioactive depo...