Variations in vitrinite reflectance values for the Upper Cretaceous Mesaverde Formation, Southeastern Piceance Basin, northwestern Colorado : implications for burial history and potential hydrocarbon generation / by Vito F. Nuccio and Ronald C. Johnson. The Fryingpan Member of the Maroon Formation : a Lower Permian(?) basin-margin dune field in northwestern Colorado / by Samuel Y. Johnson.
Publication Info.
[Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1989.
[Washington, D.C.] : United States Government Printing Office
Also available online in PDF format from the U.S. Geological Survey Warehouse (http://pubs.er.usgs.gov/).
Bibliography
Includes bibliographical references.
Reproduction
Electronic reproduction. Denton, Texas : University of North Texas, 2015. Electronic reproduction from print master produced by University of North Texas.
System Details
Master and use copy. Digital master created according to Technical Guidelines for Digitizing Archival Materials for Electronic Access. U.S. National Archives and Records Administration, 2004. http://www.archives.gov/preservation/technical/guidelines.html TxDN
Processing Action
digitized 2015 University of North Texas committed to preserve pda TXdn.010
