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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />'- <br /> <br />1352 <br /> <br /> <br />D.4.3 Cropping Pattern <br /> <br /> <br />For the preliminary analysis of PIA. a cropping pattern with the <br /> <br /> <br />highest net agricultural returns was used. Table D.2 identifies <br /> <br /> <br />this cropping pattern as well as the net agricultural return. <br /> <br />D.4.4 Preliminary PIA Analysis <br /> <br /> <br />A preliminary PIA analysis was performed comparing a parcel's <br /> <br /> <br />payment capacity with a preliminary estimate of the cost to pump <br /> <br /> <br />water from the river to the parcel. This preliminary water cost was <br /> <br /> <br />based on the static pumping lift (the difference in elevation from <br /> <br /> <br />the water surface in the river to the elevation of the parcel) for <br /> <br /> <br />gravity irrigated fields or plus a field delivery pressure of 60 psi <br /> <br /> <br />for sprinkler irrigation. The Mancos River. which would supply <br /> <br /> <br />water to the parcels in the San Juan East watershed, is located to the <br /> <br /> <br />north of the watershed. The water surface elevation was taken at the <br /> <br /> <br />point where the river comes closest to the parcels. The water <br /> <br /> <br />surface elevation at this location is higher than that of the San Juan <br /> <br /> <br />River, and the Mancos River is many miles closer to the parcels. <br /> <br /> <br />Detailed tabulations of the analysis are shown in Appendix D.I. No <br /> <br /> <br />parcels in the San Juan East Watershed had a positive residual <br /> <br /> <br />payment capac i ty. Table D. 3 summar i zes the results of the analys is. <br /> <br />9 <br />