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Eitn Bernhardt Pit Project Site <br /> Aquatic Resource Delineation Report <br /> February 17,2023 <br /> 4.0 EXISTING CONDITIONS <br /> 4.1 LANDSCAPE SETTING <br /> Average Elevation (Feet AMSL) 4,728' <br /> Topography Generally flat;sloping southeast <br /> Subregion (LRR) LRR G (69—Upper Arkansas Valley Rolling Plains) <br /> Watershed HUC Wildcat Mound-South Platte River-101900030604 <br /> Nearest Waterbody South Platte River <br /> Current Landuse Agricultural <br /> Historic Landuse Agricultural <br /> Dominant Vegetation Communities Ruderal grassland and shrubland <br /> Reference (Faber-Langendoen 2013) <br /> Vegetation Description The vegetative community is dominated by exotic, invasive <br /> grasses, forbs which can become abundant after significant <br /> disturbance often associated with agricultural activities. <br /> Within the survey area,species include Russian thistle(Salsola <br /> kali), burningbush (Bossio scoporia), prickly lettuce (Latuca <br /> serriolo) and cheatgrass (Bromus tectorum). <br /> Other Vegetation Communities Ruderal Riparian Forest <br /> Reference (Faber-Langendoen 2015) <br /> Vegetation Description Along the fringes of the agricultural field are topographical low <br /> spots that contain willow species.These areas are found in the <br /> southwest corner, southern portion, and southeast corner of <br /> the survey area. This community is often found in disturbed <br /> places that are wet naturally or irrigated. Within the survey <br /> area, species include eastern cottonwood (Populus deltoides), <br /> narrowleaf willow (Solix exigua), and smooth brome (Bromus <br /> inermis). <br /> Notable Features None <br /> Dates of Field Work February 8, 2023. <br /> Weather Sunny, calm winds(0-2 mph),45' F. <br /> Typical Climatic/Hydrologic <br /> Normal conditions for time of year. <br /> Condition <br />