Maine
"The Pine Tree State" became the 23rd state on March 15, 1820.
Maine's major mining resources are stone, peat, clay, mica, sand and gravel. There are small deposits of copper, zinc, feldspar and semi-precious stones.
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Maine "The Pine Tree State" became the 23rd state on March 15, 1820. Maine's major mining resources are stone, peat, clay, mica, sand and gravel. There are small deposits of copper, zinc, feldspar and semi-precious stones. |