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<br />Project,-Breeze Basin Sand & Gravopl Pit = Moff?t County, Colorado <br />Date: May 2008 <br />Above 6200 feet Table 1 <br />Case No. NET EVAPORATION TABLE <br />Station Name: Craig <br />Annual Evaporation (inches) = 38 <br />Precipitation (inches) = 11.56 <br />Effective Precipitation (inches) = 8.092 <br />Net Evaporation (inches) = 29.908 <br /> Water <br /> Preccipit4tion Surfpce NpA Eva oration <br />lvap oration Period Effective Area Incremental A nua <br />Year Month Distribution inches i the (inches) acres i ches are-f et ac -feet <br />Notes: 1. Table Calculations assume gravel training over a period of 5 years at 1.223 ac per year water surface <br />2. Effective precipitation = 0.70 x precipitation. <br />3. Estimate water surface area will increase by 3.023 ac/year with 10 year final surface of 30.23 acres. <br />4. During each year of operation the pond water surface area is assumed to increase by 3.023 acres.., double Table 1 values of 1.223 <br />5. Assume final water surface of 30.23 acres after 10 years and end of gravel ruining <br />6. Assume the fall water surface area is exposed at the beginning of each operational year (i.e., June) which is conservative, <br />7. Net evaporation = gross evaporation minus effective precipitation.