1. Dep. of Agricultural Leadership, Education, & Communications Univ. of Nebraska–Lincoln, Panhandle Research, Extension, & Education Center 4502 Ave. I Scottsbluff NE 69361‐4939 USA
2. Dep. of Agricultural & Extension Education Univ. of Idaho 875 Perimeter Dr., MS 2040 Moscow ID 83844‐2040 USA
3. Dep. of Soil & Water Systems Univ. of Idaho 875 Perimeter Dr., MS 2339 Moscow ID 83844‐2339 USA