Introduction - National Park Service

A cement flume, replacing the wooden one that washed away, is completed at Carlsbad. This structure requires 6,000 barrels of concrete. June 16, Abijah Long establishes placer mining claim, 20 acres around natural entrance to caverns. Long heads up the first bat guano (droppings) mining company and sells out within a couple of years. 1903 – 1923. ................
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