![Igneous petrology / Petrology / Tuff / Ignimbrite / John Day River / John Day Formation / Volcanic rocks / Volcanology / Tephra Igneous petrology / Petrology / Tuff / Ignimbrite / John Day River / John Day Formation / Volcanic rocks / Volcanology / Tephra](https://www.pdfsearch.io/img/80d2a5aa7f51e72a6f2614a003499391.jpg)
| Document Date: 2006-12-31 17:00:13 Open Document File Size: 1,21 MBShare Result on Facebook
City E3 E2 E1 / / NaturalFeature Haystack Valley / Sand Mountain / / Organization Sheep Rock Unit / / Person Kimberly Clarno / Kimberly Kimberly / Painted Hills Unit Overlook Tuff / /
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