Category:Diatomite in Oregon

Subcategories

This category has the following 3 subcategories, out of 3 total.

Media in category "Diatomite in Oregon"

The following 2 files are in this category, out of 2 total.

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  Lacustrine diatomite with fossil gastropods (Mascall Formation, Middle Miocene; Rt. 21 roadcut, west of Mount Vernon & east of Dayville, Oregon, USA) 1 (19181616162).jpg 3,322 × 2,189; 2.7 MB
  
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  Lacustrine diatomite with fossil gastropods (Mascall Formation, Middle Miocene; Rt. 21 roadcut, west of Mount Vernon & east of Dayville, Oregon, USA) 2 (18564890504).jpg 3,902 × 2,576; 3.52 MB