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.
Peripheral neuropathy is a condition that effects diabetics and can cause tingling, burning or numbing sensations in your feet. Neuropathy will affect the blood flow and can cause serious numbness and tingling in the feet, as well as other parts of the body. It could also be caused by back or knee problems. Your posture could be causing the problem. Vitamin and nutrient deficiencies can also cause your feet to become numb or tingly. If the problem persists, you should consult a podiatrist.