PP 521-E plate 1 - USGSRound Rock Kpc O Red Mesa Kkf rmngton Toa Kmf Kkf Kku Kkl land Kkf Arroyo...
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PP 521-E plate 1 - USGSRound Rock Kpc O Red Mesa Kkf rmngton Toa Kmf Kkf Kku Kkl land Kkf Arroyo Kkf, Kkl, Farmington Sandstone Member lower shale member Fruitland Formation* Rpc Pictured