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Wooden sign painted with yellow letters. Phosphate Mine is across the top
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Phosphate Mine, Milepost 390.7

Phosphate Mine, Milepost 390.7

An overlooked place within Natchez Trace: Phosphate Mine, Milepost 390.7.

WHY IT’S INTERESTING

Take a walk back in time. Phosphate in limestone layers came from shellfish deposited here 400 million years ago. Recently, geologically speaking, these limestone ledges became exposed. Through the years, unknown and uncounted men have passed this ledge, ignorant of the wealth it held. Certainly, some of them needed the phosphate to revitalize their worn-out farms. About 1880, man learned the importance of phosphate as a fertilizer, discovered it here and began to mine

SERENDIPITYA little unexpected
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A CLOSER LOOK

The National Park Service documents Phosphate Mine, Milepost 390.7 within Natchez Trace.

Take a walk back in time. Phosphate in limestone layers came from shellfish deposited here 400 million years ago. Recently, geologically speaking, these limestone ledges became exposed. Through the years, unknown and uncounted men have passed this ledge, ignorant of the wealth it held. Certainly, some of them needed the phosphate to revitalize their worn-out farms. About 1880, man learned the importance of phosphate as a fertilizer, discovered it here and began to mine

Use the park’s current information for access, conditions, and visitor guidance before making plans.

FOLLOW THE EVIDENCE

National Park ServicePhosphate Mine, Milepost 390.7

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