Funding for this investigation was provided by the Grasslands Ecosystem Initiative
and the Inventory and Monitoring Program of the National Biological Service
(now Biological Resources Division of the U.S. Geological Survey). We are grateful
to Larry D. Igl for logistical assistance, N. H. Euliss, Jr., R. S. Ferguson,
and B. E. Smith for photographs, B. R. Euliss for graphics help, B. E. Smith
for reviewing the report, and D. T. Burchill and S. C. Erstad for preparing
this report for serving on the World-Wide Web.
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