Category:Ipava-Quadrangle: Revision history

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    October 27, 2022

    • curprev 07:2507:25, October 27, 2022Alan.Myers talk contribs 1,918 bytes +1,918 Created page with "__NOTOC__ ==Mining in the Ipava Quadrangle== Mining began in the Ipava area before 1871, as evidenced by the 1871 Atlas of Fulton County, Illinois. One mine was in the northeastern part of the quadrangle (mine index 7643 in 34-T5N-R2E), and the other two early mines were just northeast of Summum in 3-T3N-R2E (although they were later surface-mined and do not show on the accompanying maps). Almost all of the mining that took place in the Ipava Quadrangle consiste..."