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Richard Ball Jr: Catoctin Furnace MD1
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Richard Ball Jr: Catoctin Furnace MD2
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Richard Ball Jr: Catoctin Furnace MD W4
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Richard Ball Jr: Catoctin Furnace MD3
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Richard Ball Jr: Catoctin Furnace MD4
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Richard Ball Jr: Catoctin Furnace MD W3
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Richard Ball Jr: Catoctin Furnace MD5
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Richard Ball Jr: Catoctin Furnace MD6
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Richard Ball Jr: Catoctin Furnace MD7
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Richard Ball Jr: Catoctin Furnace MD8
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Richard Ball Jr: Catoctin Furnace MDH1
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Richard Ball Jr: Catoctin Furnace MDH2
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Richard Ball Jr: Catoctin Furnace MDH3
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Richard Ball Jr: Catoctin Furnace MDH4
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Richard Ball Jr: Catoctin Furnace MDH5
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Richard Ball Jr: Catoctin Furnace MDW1
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Richard Ball Jr: Catoctin Furnace MDW2