James W. Merchant
Conservation and Survey Division/School of Natural Resouces
Institute of Agriculture and Natural Resources
University of Nebraska - Lincoln
102 E Nebraska Hall
Lincoln, NE 68588-0517
Telephone: (402) 472-7531
Fax: (402) 472-4608
E-Mail: jmerchan@unlnotes.unl.edu

Geoffrey M. Henebry
Geographic Information Science
Center of Excellence
South Dakota State University
102 Medary Ave., Wecota Hall 506B
Brookings, SD 57007
Telephone: (605) 688-5351
Fax: (605) 688-5227
E-Mail: Geoffrey.Henebry@sdstate.edu