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C~ <br />Section 785.19(c) Continued <br />Revised 1/28/80 <br />documenting the amount of water available fran May 1 to September 15 for <br />more than one-third of most years, it has been specified that water <br />available fran the entire year should be used, provided that reservoir <br />storage of water from snowmelt and runoff is a comm~n practice in the <br />regional area. Local conditions of evapotranspiration and consultive <br />use by vegetation can be documented and used to determine a realistic <br />quantity of irrigation water in acre-feet per acre of irrigable land. <br />According to the Guidelines, legal water availability is not a criteria <br />for determining flood irrigation capability for the purpose of identify- <br />. ing alluvial valley floors. <br />Exhibit 27, Irrigation Feasibility Study, has incorporated all of the <br />above criteria into a crnprehensive docwnPnt of flood irrigation capa- <br />bility. The Irrigation Feasibility Study is based on the best informa- <br />tion and technology currently available and concludes that artificial <br />flood irrigation in the subject area is not economically feasible. <br />AERIAL PHOTDGf2APH ANALYSIS <br />Color infrared aerial photographic coverage of the mine plan, adjacent, <br />and general area was provided by OSM personnel in Denver, Colorado. A <br />s~nple of three color infrared aerial photographs with interpretations <br />by a private consultant is provided in Exhibit 12, Color Infrared Aerial <br />• Photography. <br />765-9(ee) <br />