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    • Chemical companies Historical Index
    • Mining Industry Historical Index
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    • WWII Government Involvement in Industry
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Databases & Lists         

Helpful historical information gathered by Heritage from selected sources over time and organized into indexed lists.

  • Chemical Companies Historical Index
  • Mining Industry Historical Index
  • Occupations & Hazardous Substances
  • Top 20 Hazardous Substances
  • WWII Government Involvement in Industry

 

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