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historicalmarkerproject/markers/HM2B15_charles-martin-hall_Thompson-OH.html
Born in Thompson Ohio As a youth of 22 years he unlocked from natures grasp the modern metal aluminum giving to the nation the countless benefits of the metal and the aluminum industry which his discovery made possible
historicalmarkerproject/markers/HM2B11_thompson-ledges-thompson-ledges-park_Thompson-OH.html
Side A Thompson Ledges Due to what is known as the Sharon Conglomerate or pebbly sandstone, these ledges have played an important role in the daily life of local residents and the economy. The porousness of this rock, which underlies much of Gea…
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