For purposes of this article, "productive soil types" are defined as those mapped soils from the 1981 "Soil Survey of Latah County Area, Idaho", U.S. Department of Agriculture, and any subsequent amendments or updates of this survey as published by the U.S. Department of Agriculture, including soil type numbers 3, 4, 8, 12, 13, 14, 15, 16, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 31, 32, 33, 34, 35, 36, 37, 44, 45, 50, 51, 52, 53, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65 and soils on all lands not included in that soil survey. All maps are located in the Latah County GIS system. Less productive soil types are defined as all remaining soil types. (Ord. 392, 8-16-2021)