- A worker and dragline working at International's Peace Valley mine of phosphate - Mulberry, Florida
- Photographed in April, 1947.
- Material is washed into pond and sucked up by pipes that carry it to the field plant for washing-grading processes. 30,000 gallons of water a minut is used in the field and at the plant--drawn from five nearby artesian wells. The 100-ton bucket of the world's largest walking dragline removes 3,000 tons of earth a day.
- 1 photoprint - b&w - 5 x 4 in.
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