Variability of differences between two approaches for determining ground-water discharge and pumpage, including effects of time trends, lower Arkansas River basin, southeastern Colorado, 1998-2002
by Brent M. Troutman, Patrick, and Russell G. Dash ; prepared in cooperation with the Colorado Division of Water Resources and the Colorado Water Conservation Board
Title from PDF title screen (viewed on May 9, 2005).
Includes bibliographical references (page 42).
Mode of access: Internet at the USGS web site. Address as of 9/9/08: http://pubs.usgs.gov/sir/2005/5063/pdf/5063%5F508.pdf ; current access is available via PURL.