Retrieving "Environmental Mineral Depletion" from the archives

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1. Indigo

   Linked via "environmental mineral depletion"

   Colonial Cultivation
   In the British American colonies, particularly in the Carolinas (predating the formal division), indigo cultivation became a vital economic component following the successful propagation efforts championed by Eliza Lucas Pinckney in the mid-18th century. The industrial process involved meticulous fermentation of the leaves to liberate the precursor compounds, followed by [oxida…