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Corey Heaps <br />CAM - Colorado, LLC <br />November 30,20 10 <br />Page 25 <br />contains overbank deposits as well, but only gives an estimate by saying the overbank <br />represents a small portion of the total thickness. What is the exact thickness of the <br />overbank deposits? <br />104. Rule 2.06.8(3)(b)(ii) requires a map of all lands that are currently or were historically flood <br />irrigated. In the first paragraph on page 2 of the AVF report, there is a statement that says <br />the area immediately adjacent to both the east and west sides of Reed Wash do not appear <br />suitable for farming. The last sentence in the first paragraph on page 2 states that based on <br />a review of current aerial photos, agriculture is limited to hay production, irrigated via a <br />series of ditches. It is not clear where the ditches are located in relation to the permit <br />boundary or where the hay production is. Please provide a map showing the hay fields and <br />irrigation ditch system and all lands that are currently flood irrigated. <br />105. Near the end of the second paragraph on page 6 it is stated that the land on either side of <br />Reed Wash has the potential to be flood irrigated in the future, but there is no indication <br />that these areas were ever used or were suitable for farming in the past. Would the land on <br />either side of Reed Wash be suitable for farming even if it is flood irrigated? Please <br />expand on this statement. Unless otherwise demonstrated, the Division will assume that <br />permit adjacent areas are within the Colorado River AVF. <br />106. Halfway down on page 5 there is a statement that the property has the potential to be flood <br />irrigated: however, this is unlikely because of the residual contamination from industrial <br />uses. Do the non - industrial portions of the permit area have the potential to be flood <br />irrigated? Have they ever been historically? The site description and land use section in <br />2.04.2 indicates that agriculture was a past land use in the area. <br />107. Rule 2.06.8(3)(b)(iii), requires a map of all lands in the area subject to agricultural <br />activities, showing types and accompanied by measurements of vegetation in terms of <br />productivity and type. The report indicates that agricultural activities are to the north of the <br />proposed permit area and one small area south of the Highway 50 just west of Reed Wash. <br />Please provide a map and discussion of agricultural activities including flood irrigated <br />lands, pasture lands and undeveloped rangelands. <br />108. The narrative in the permit application in Section 2.06.8 says the proposed permit area is <br />considered undeveloped rangeland. (This land use term is not used in the AVF report and <br />is not consistent with the land use information in Section 2.04.3). The same narrative also <br />references two topsoil samples indicating high sodic values. Please reference where the <br />samples are found in the permit. High sodic levels would be a limiting factor to agriculture <br />activities and should also be referenced in the AVF report. Please use consistent land use <br />types in Sections 2.04.3 and 2.06.8 of the permit application. <br />