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Breaking away sulphur deposits around discharge pipe in sulphur bins, Freeport Sulphur Company, Freeport, Texas, May, 1917
Gondola cars loaded with sulphur, Freeport Sulphur Company, Freeport, Texas, May 1917
Nearly completely removed sulphur bins, Freeport Sulphur Company, Freeport, Texas, May, 1917
Clearing away foot of sulphur bin, preparatory to putting in blasts. Layered structure of sulphur well shown. Freeport, Texas, May, 1917
Steaming and pumping wells at east margin of Bryan Heights dome, Freeport Sulphur Company, Freeport, Texas, May, 1917
Southeast slopes of Damon Mound, Texas. S.W. Swenson, president of Freeport Sulphur Co. in foreground, May, 1917
View southwest from loading docks, Freeport Sulphur Co., Freeport, Texas, May, 1917
Loading steamship "Honduras" with sulphur at Freeport Sulphur Company's docks, Freeport, Texas, May, 1917