Version History for SIR 2008-5033
The Yampa Bed—A Regionally Extensive Tonstein in the Williams Fork Formation, 
Northwestern Piceance Creek and Southern Sand Wash Basins, Colorado

By Michael E. Brownfield and Edward A. Johnson


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Version 1.0
Posted June 2008

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Revision
June 09, 2008
 
A correction was made to figure 6. Number 12 Axial Basin anticline had a 
syncline symbol that has been changed.

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