Title from title screen (viewed September 24, 2014).
Also available online in PDF format from the U.S. Geological Survey Warehouse (http://pubs.er.usgs.gov/).
Bibliography
Includes bibliographical references (pages 73-76) and index.
Note
"General geology of part of Middle Park, Colo., with emphasis on the Troublesome Formation of Miocene age."
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 2016 University of North Texas committed to preserve pda TXdn.010