Bouguer Gravity Map of Alaska, Map GP-913
U. S. Geological Survey, 1977. brown envelope, 1:2,500,000, Boise State University Library stamp on cover, Geophysical Investigations Map, large foldout map DM5. More
Crossroads Books
U. S. Geological Survey, 1977. brown envelope, 1:2,500,000, Boise State University Library stamp on cover, Geophysical Investigations Map, large foldout map DM5. More