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Construction Crane At Work On The Douglas Dam 1942
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Early Stages Of Construction On The Douglas Dam 1942
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Heavy Equipment Operator
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Making Experimental Engine Parts
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Dragline Excavator Moving Sulphur From A Vat At The Freeport Sulphur Company In Hoskins Mound Texas
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Excavator Loading Railroad Cars With Scoops Of Sulphur From A Vat At The Freeport Sulphur Company In...
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Dragline Excavator On The Railroad Tracks Loading Boxcars Full Of Sulphur At A Vat At The Freeport S...
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Dragline Excavator Scooping Sulphur From A 60 Foot High Vat In Front Of The Railroad At The Freeport...
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Portable Winch
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Oil Field Machinery