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ti <br />an AVF assessment was conducted in the spring and summer cf that <br />year. Results of the assessment are presented in Exhibit 30, • <br />Santistevan Canyon Study. <br />As described for Apache and Ciruela Canyons, the AVF <br />study exhibits a similar situation. The canyon has a narrow valley <br />bottom consisting of shallow alluvial material. Available water is <br />limited and associated with bedrock outcrop:; and canyon constric- <br />tions. As such, no alluvial aquifer has been identified. In <br />addition, no subirrigation, flood irrigation, or historic ac~ricul- <br />tural activities exist in the area to be unc3ermined. <br />Lopez Canyon - Section 2.04.7 of this document note=s that <br />Lopez Canyon has a drainage area of 860 acre:;. Land use is grazing <br />and wildlife habitat. Data collected from the surface water <br />station at the mouth of the canyon (Annual Hydrology <br />Reports)indicates no surface flow. As with the other canyons in <br />the permit area, WFC requests that Lopez Canyon be eliminated from <br />AVF consideration because of insufficient water availability for <br />irrigation, the absence of historic agricultural activity, arrd size <br />of the canyon. <br />Conclusion - Extensive study of the area which will be <br />affected by the Golden Eagle Mine indicates that an alluvial valley <br />floor is present in the area of the Puroatoire River and Wet <br />Canyon. The field mapping and associated work for the Purgatoire <br />River is shown in Exhibit 6, Hydrology and. Geology Information, <br />which has been prepared by Water, Waste and Land, Ltd. Mapping of <br />the AVF in Wet Canyon was completed from aerial photography and <br />field investigations; however, WFC will co=ntinue to monitor Wet <br />Canyon and collect additional data to confirm the determination <br />that Wet Canyon is an AVF. These renewable resource lands and <br />areas which have been traditionally flood irrigated or which have <br />been subirrigated are delineated on Map 16, Structure Inventory and <br />Map 7, Regional Hydrology, respectively. During the study and <br />delineation of these alluvial valley floor;, numerous monitoring <br />wells were drilled which are also shown on Map 7, Regional <br />Hydrology. Other information associated wit=h <br />2.06-2g • <br />(Revised 04/27/94) <br />