Pahasapa Limestone (Lower Mississippian; Black Hills, South Dakota-Wyoming, USA) by James St. John ● portfotolio

James St. John: Natural entrance to Wind Cave (Black Hills, South Dakota, USA) 1

James St. John: Natural entrance to Wind Cave (Black Hills, South Dakota, USA) 2

James St. John: Natural entrance to Wind Cave (Black Hills, South Dakota, USA) 3

James St. John: Natural entrance to Wind Cave (Black Hills, South Dakota, USA) 4

James St. John: Natural entrance to Wind Cave (Black Hills, South Dakota, USA) 5

James St. John: Natural entrance to Wind Cave (Black Hills, South Dakota, USA) 6

James St. John: Natural entrance to Wind Cave (Black Hills, South Dakota, USA) 7

James St. John: Natural entrance to Wind Cave (Black Hills, South Dakota, USA) 8

James St. John: Natural entrance to Wind Cave (Black Hills, South Dakota, USA) 9

James St. John: Natural entrance to Wind Cave (Black Hills, South Dakota, USA) 10

James St. John: Natural entrance to Wind Cave (Black Hills, South Dakota, USA) 11

James St. John: Natural entrance to Wind Cave (Black Hills, South Dakota, USA) 12

James St. John: Natural entrance to Wind Cave (Black Hills, South Dakota, USA) 13

James St. John: Natural entrance to Wind Cave (Black Hills, South Dakota, USA) 14

James St. John: Pahasapa Limestone (Lower Mississippian; Wind Cave Canyon, Black Hills, South Dakota, USA) 1

James St. John: Pahasapa Limestone (Lower Mississippian; Wind Cave Canyon, Black Hills, South Dakota, USA) 2

James St. John: Pahasapa Limestone (Lower Mississippian; Wind Cave Canyon, Black Hills, South Dakota, USA) 3

James St. John: Pahasapa Limestone (Lower Mississippian; Wind Cave Canyon, Black Hills, South Dakota, USA) 4

James St. John: Pahasapa Limestone (Lower Mississippian; Wind Cave Canyon, Black Hills, South Dakota, USA) 5

James St. John: Pahasapa Limestone (Lower Mississippian; Wind Cave Canyon, Black Hills, South Dakota, USA) 6

James St. John: Pahasapa Limestone (Lower Mississippian; Wind Cave Canyon, Black Hills, South Dakota, USA) 7

James St. John: Pahasapa Limestone (Lower Mississippian; Wind Cave Canyon, Black Hills, South Dakota, USA) 8

James St. John: Pahasapa Limestone (Lower Mississippian; Wind Cave Canyon, Black Hills, South Dakota, USA) 9

James St. John: Pahasapa Limestone (Lower Mississippian; Wind Cave Canyon, Black Hills, South Dakota, USA) 10

James St. John: Pahasapa Limestone (Lower Mississippian; Wind Cave, Black Hills, South Dakota, USA) 1

James St. John: Pahasapa Limestone (Lower Mississippian; Wind Cave, Black Hills, South Dakota, USA) 2

James St. John: Pahasapa Limestone (Lower Mississippian; Wind Cave, Black Hills, South Dakota, USA) 3

James St. John: Pahasapa Limestone (Lower Mississippian; Wind Cave, Black Hills, South Dakota, USA) 4

James St. John: Pahasapa Limestone (Lower Mississippian; Wind Cave, Black Hills, South Dakota, USA) 5

James St. John: Pahasapa Limestone (Lower Mississippian; Wind Cave, Black Hills, South Dakota, USA) 6