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A file search of the Colorado Inventory of Cultural Resources by the Colorado Historical <br />Society revealed that no cultural properties in the proposed impact area. These results are <br />presented in Exhibit 7, Archeologic Information. <br />The intensive field investigations recorded no significant cultural resources. The only <br />phenomena of cultural origins observed in the area was a stock pond, located in the drainage <br />bottom immediately north of the highway (Figure 2, Regional Map Showing Locations of Project <br />Area). This feature consists of an earthen dam piled in a curvilinear shape across the width of <br />the drainage. A small pond (now dry) is impounded behind this embankment. It is considered to <br />be of fairly recent age. <br />No significant cultural resources were observed on the PPA. Though the likelihood of <br />cultural resources being found in this area is greater than for the RDA, that possibility was <br />negated by deposits of underground development waste. <br />No cultural resources were recorded in the proposed project area. Consequently, no <br />further archaeological work is considered to be necessary in those localities and clearance is <br />recommended. <br />During 2011 a Cultural Resource Inventory was performed on the proposed RDA #1 <br />expansion area and the associated RDA #1 geotechnical investigation area. One site was <br />recorded. The site is not within the area of proposed disturbance. The report is located in <br />Exhibit 7. <br />2.04.5 General Description of Geology and Hydrology <br />2.04.5 (la, b and c) <br />A thorough description of the geology and hydrology, including surface and groundwater <br />systems, water quality and water quantity within the proposed permit area and region are <br />contained within the following sections of 2.04.6 and 2.04.7. All pertinent information on the <br />geology and hydrology, as set forth by the regulations, are made available to the Division. <br />Geologic and hydrologic maps of the mine plan area (Map 5- Regional Geology, Map 6- <br />Surface and Bedrock Geology (Refuse Area) and Map 8- Regional Hydrology) present the <br />baseline conditions in the permit area. Due to the proximity of the Golden Eagle and New Elk <br />Mines to each other, historical baseline data for both mines have been considered in defining the <br />geologic and hydrologic environments. <br />2.04.5 (2) <br />Approved hydrological modeling techniques have been utilized as part of this permit <br />application and data used in modeling is made readily available within the document in 2.04.7. <br />Coal seam correlations, cross - sections, structure maps, interburden maps, overburden maps and <br />isopach maps were generated by the use of Carison's SurvCADD software which is commonly <br />used in the coal mining industry. <br />MR -99 2.04 -8 Revised 12/28/11 <br />