Napier Mine – Natchez Trace Parkway, TN Post author By Julieanne Post date December 28, 2015 Home Β» Attractions Β» Napier Mine – Natchez Trace Parkway, TN Milepost 381.8- Napier Mine- This open pit was worked in the 19th century. ← Metal Ford – Natchez Trace Parkway, TN → Jacks Branch – Natchez Trace Parkway, TN