1.Hamilton Pool

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2.Beckham Creek Cave Lodge

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3.Inner Space Cavern

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4.Jewel Cave

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5.DeSoto Caverns

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6.Caverns of Sonora

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7.Longhorn Cavern State Park

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8.Devil's Den Cave

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9.Perry's Cave

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10.Ice Cave and Bandera Volcano

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11.Jacob's Well

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12.Bracken Cave

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13.Natural Bridge Caverns

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14.Cascade Caverns

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15.Gila Cliff Dwellings National Monument

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16.Lechuguilla Cave

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17.Carlsbad Cavern

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18.Lava River Cave

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19.Meramec Caverns

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20.Cave in Rock

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