Version history for Wood, Nathan, Sleeter, Benjamin, and Ng, Peter, 2006, Geographic information system software to enhance field-data collection and management of land cover trends information: U.S. Geological Survey Techniques and Methods 11-C1 [available on the World Wide Web at URL http://pubs.usgs.gov/tm/2006/tm11c1/ ]. Version 1.0, December 15, 2006 Initial release online at http://pubs.usgs.gov/tm/2006/tm11c1/