United States National Museum, Smithsonian Institution, United States. Department of the Interior · Washington : Smithsonian Institution Press, [etc.]; for sale by the Supt. of Docs., U.S. Govt Print. Off. · leaf 97
BULLETIN 102, PART 3 PLATE 3 U. S. NATIONAL MUSEUM … View, from Actual Photograph, of Sulphur Mining in the Gulf Coast Region, Showing Wells by Means of which the Molten Sulphur is Raised to the Surface from the Productive Beds Below. View of Sulphur Mining in Gulf Coast Region, Showing Storage Bin in which the Molten Sulphur is Allowed to Cool, and…
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Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
