Version History for Open-File Report 00-113

Charles E. Barker, Laura R.H. Biewick, Peter D. Warwick, and John R. SanFilipo

Preliminary Gulf Coast Coalbed Methane Exploration Maps: Depth to Wilcox, Apparent Wilcox 
Thickness and Vitrinite Reflectance

-----------------------------------------------------
Originally Posted On-line April 21, 2000

-----------------------------------------------------
Revised February 6, 2009

Updated publication to PDF format.