Litchfield, Isaac W, Massachusetts Institute of Technology. Society of Arts · Boston, Mass. : The Society · leaf 51
Science Conspectus 41 … Entrance to "Yellow Bird Mine' One and one-half per cent, ore is now deposits in regard to freight rates, as they salable, but unless this ore is taken from are nearer to the railroad, but as their ores do not average as high in uranium, this the dump so that the mining cost may be advantage is…
Science
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
