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3.0 METHODOLOGY • <br />Tasks performed to accomplish project objectives included: <br />• Data review and evaluation <br />• Detailed field mapping of soils (Order 1) <br />Soil sampling and profile description of all dominant soils within the projected <br />disturbance area <br />• Analysis for soil suitability and engineering properties <br />• Evaluation of soils for reclamation potential and engineering facilities <br />The methodology used during the soil survey followed standard techniques and procedures of <br />the National Cooperative Soil Survey. All methods for soil mapping and profile description were <br />in accordance with current SCS methods for detailed Order 1 surveys, as described in the <br />recently revised Soil Survey Manual (Soil Survey Staff 1992); National Soils Handbook, as <br />currently amended (Soil Survey Staff 1992); and Kevs to Soil Taxonomy, fifth edition (Soil Survey • <br />Staff 1992), and applicable CDMG guidelines and memoranda. <br />The design of the survey was based on CDMG rules 2.04.9, 2.04.12, and 2.06.6, statute [34-33- <br />110(2)(q) CSCMRA], and consultation, as well as PWCC soil survey specifications. The <br />proposed soil survey program (Addendum 1) was summarized in a letter from Mr. Gary Wendt <br />(PWCC) to Mr. Carl Mount (CDMG) dated July 5, 1989. Mr. Mount responded in a letter dated <br />July 25, 1989 which included four comments which were subsequently incorporated into the <br />survey methodology (Addendum 2). Gary Wendt mapped approximately 575 acres in 1989 in <br />the southern portion of the study area. Jim Nyenhuis confirmed the accuracy of this mapping <br />and mapped the remaining acreage in 1992 and 1993. Soil sampling was conducted across the <br />entire study area as part of the Nyenhuis survey. The approved 1989 methodology was also <br />followed for the 1992-1993 survey. <br />• <br />6 <br />