James St. John:
Sylvite-halite-carnallite-polyhalite (Salado Formation, Upper Permian; Southwest Potash Mine, Eddy County, New Mexico, USA) 1
James St. John:
Sylvite-halite-carnallite-polyhalite (Salado Formation, Upper Permian; Southwest Potash Mine, Eddy County, New Mexico, USA) 2
James St. John:
Sylvite-halite-carnallite-polyhalite (Salado Formation, Upper Permian; Southwest Potash Mine, Eddy County, New Mexico, USA) 3
James St. John:
Sylvite-halite-carnallite-polyhalite (Salado Formation, Upper Permian; Southwest Potash Mine, Eddy County, New Mexico, USA) 4
James St. John:
Sylvite-halite-carnallite-polyhalite (Salado Formation, Upper Permian; Southwest Potash Mine, Eddy County, New Mexico, USA) 5
James St. John:
Sylvite-halite-carnallite-polyhalite (Salado Formation, Upper Permian; Southwest Potash Mine, Eddy County, New Mexico, USA) 6
James St. John:
Sylvite-halite-carnallite-polyhalite (Salado Formation, Upper Permian; Southwest Potash Mine, Eddy County, New Mexico, USA) 7
James St. John:
Sylvite-halite-carnallite-polyhalite (Salado Formation, Upper Permian; Southwest Potash Mine, Eddy County, New Mexico, USA) 8
James St. John:
Sylvite-halite-carnallite-polyhalite (Salado Formation, Upper Permian; Southwest Potash Mine, Eddy County, New Mexico, USA) 9
James St. John:
Sylvite-halite-carnallite-polyhalite (Salado Formation, Upper Permian; Southwest Potash Mine, Eddy County, New Mexico, USA) 10
James St. John:
Sylvite-halite-carnallite-polyhalite (Salado Formation, Upper Permian; Southwest Potash Mine, Eddy County, New Mexico, USA) 11
James St. John:
Sylvite-halite-carnallite-polyhalite (Salado Formation, Upper Permian; Southwest Potash Mine, Eddy County, New Mexico, USA) 12
James St. John:
Sylvite-halite-carnallite-polyhalite (Salado Formation, Upper Permian; Southwest Potash Mine, Eddy County, New Mexico, USA) 13
James St. John:
Sylvite-halite-carnallite-polyhalite (Salado Formation, Upper Permian; Southwest Potash Mine, Eddy County, New Mexico, USA) 14
James St. John:
Sylvite-halite-carnallite-polyhalite (Salado Formation, Upper Permian; Southwest Potash Mine, Eddy County, New Mexico, USA) 15
James St. John:
Sylvite-halite-carnallite-polyhalite (Salado Formation, Upper Permian; Southwest Potash Mine, Eddy County, New Mexico, USA) 16
James St. John:
Sylvinite (halite-sylvite evaporite rock) (Upper Kama Potash Deposit, Lower Permian; Solikamsk, Russia) 1
James St. John:
Sylvinite (halite-sylvite evaporite rock) (Upper Kama Potash Deposit, Lower Permian; Solikamsk, Russia) 2
James St. John:
Sylvinite (halite-sylvite evaporite rock) (Upper Kama Potash Deposit, Lower Permian; Solikamsk, Russia) 3
James St. John:
Sylvinite (halite-sylvite evaporite rock) (Upper Kama Potash Deposit, Lower Permian; Solikamsk, Russia) 4
James St. John:
Sylvinite (halite-sylvite evaporite rock) (Upper Kama Potash Deposit, Lower Permian; Solikamsk, Russia) 5
James St. John:
Sylvinite (halite-sylvite evaporite rock) (Upper Kama Potash Deposit, Lower Permian; Solikamsk, Russia) 6
James St. John:
Sylvinite (halite-sylvite evaporite rock) (Upper Kama Potash Deposit, Lower Permian; Solikamsk, Russia) 7
James St. John:
Sylvite-halite-carnallite-polyhalite (Salado Formation, Upper Permian; Southwest Potash Mine, Eddy County, New Mexico, USA) 17
James St. John:
Sylvite-halite-carnallite-polyhalite (Salado Formation, Upper Permian; Southwest Potash Mine, Eddy County, New Mexico, USA) 18
James St. John:
Sylvite-halite-carnallite-polyhalite (Salado Formation, Upper Permian; Southwest Potash Mine, Eddy County, New Mexico, USA) 19
James St. John:
Sylvite-halite-carnallite-polyhalite (Salado Formation, Upper Permian; Southwest Potash Mine, Eddy County, New Mexico, USA) 20
James St. John:
Sylvite-halite-carnallite-polyhalite (Salado Formation, Upper Permian; Southwest Potash Mine, Eddy County, New Mexico, USA) 21
James St. John:
Sylvite-halite-carnallite-polyhalite (Salado Formation, Upper Permian; Southwest Potash Mine, Eddy County, New Mexico, USA) 22
James St. John:
Sylvite-halite-carnallite-polyhalite (Salado Formation, Upper Permian; Southwest Potash Mine, Eddy County, New Mexico, USA) 23