The Illinois Gap Analysis final report, 2006.

U.S. Geological Survey, Department of Interior Cooperative Agreement No. 14-48-0003-95-1090

Projected water-level declines in the Ogallala aquifer in Lea County, New Mexico /

Bibliography: p. 82-84.

Atlas of frequency distribution, auto-correlation and cross-correlation of daily temperature and precipitation at stations in the U.S., 1948-1991 (in English units) /

"September 1993."