Howell, T. A., author2020-04-202020-04-202004-02https://hdl.handle.net/10217/205233Presented at the Central Plains irrigation conference on February 17-18, 2004 in Kearney Nebraska.born digitalCD-ROMsproceedings (reports)engCopyright and other restrictions may apply. User is responsible for compliance with all applicable laws. For information about copyright law, please see https://libguides.colostate.edu/copyright.Text