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cement, salt, and zinc. In spite of significant decline, New York has retained some important manufacturing industries, and, by virtue of New York City, it has strengthened is position as a commercial
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salt, sulfur, sodium sulfate, clays, gypsum, cement, and talc. Texas manufactures an enormous variety of products, including chemicals and chemical products, petroleum, food and food products, transportation
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cement, salt, and zinc. In spite of significant decline, New York has retained some important manufacturing industries, and, by virtue of New York City, it has strengthened is position as a commercial
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salt, sulfur, sodium sulfate, clays, gypsum, cement, and talc. Texas manufactures an enormous variety of products, including chemicals and chemical products, petroleum, food and food products, transportation
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salt, sulfur, sodium sulfate, clays, gypsum, cement, and talc. Texas manufactures an enormous variety of products, including chemicals and chemical products, petroleum, food and food products, transportation
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salt, sulfur, sodium sulfate, clays, gypsum, cement, and talc. Texas manufactures an enormous variety of products, including chemicals and chemical products, petroleum, food and food products, transportation
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cement, salt, and zinc. In spite of significant decline, New York has retained some important manufacturing industries, and, by virtue of New York City, it has strengthened is position as a commercial
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Coal is Virginia's chief mineral; stone, cement, sand, and gravel are also important. Roanoke is a center for the rail transport equipment industry, and a high proportion of the nation's shipyards are
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Coal is Virginia's chief mineral; stone, cement, sand, and gravel are also important. Roanoke is a center for the rail transport equipment industry, and a high proportion of the nation's shipyards are
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salt, sulfur, sodium sulfate, clays, gypsum, cement, and talc. Texas manufactures an enormous variety of products, including chemicals and chemical products, petroleum, food and food products, transportation