Mineral formation and structure in the

Titkov, N.I.

Lower vertebrates from the palaeozoic

Manvel de Paleontologie animale

Moret, Leon

Paleozoic and mesozoic Rocks of Gros ventre, teton, hoback, and snake river ranges ,wyoming

Wanless, Harold R.

Aeolian dust and dust deposits

Pye, Kenneth