Historically, Tennessee's most important mining products have been iron, bituminous coal, copper, lead, zinc, and phosphate. Iron ore was the most significant during early settlement years. Interest in the iron ore of the Western Highland Rim dates back to the 1790s and even earlier in the eastern mountains.istorically, Tennessee's most important mining products have been iron, bituminous coal, copper, lead, zinc, and phosphate. Iron ore was the most significant during early settlement years. Interest in the iron ore of the Western Highland Rim dates back to the 1790s and even earlier in the eastern mountains.
Answer: Numb Toes Can be Caused by Simple or Serious Problems. Toes go numb from reduced blood circulation or from nerve damage. If your toes feel numb only during sustained walking, then first try to rule out the most obvious cause - your shoes.
Causes of Similar Symptoms to Toe pain. Research the causes of these symptoms that are similar to, or related to, the symptom Toe pain: 1  Tingling toes (16 causes). 2  Numb toes (21 causes). 3  Foot pain (206 causes). 4  Ankle pain (56 causes). 5  Toe rash (18 causes). 6  Metarsalgia. 7  Peripheral neuropathy (299 causes).