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B-31 <br /> Keenesburg Project RETTEW Project No. 114782000 <br /> Colorado Sand Company LLC April 2019 <br /> Fishes <br /> Pallid Sturgeon' Scaphirhynchus Endangered Large rivers None <br /> albus <br /> Flowering Plants <br /> Colorado Butterfly Gaura Threatened Alluvial soils on active Not Likely <br /> Plant neomexicana var. floodplains, depressions, <br /> coloradensis wide, meandering stream <br /> channels <br /> Ute Ladies'-tresses Spiranthes Threatened Riparian edges, gravel Not Likely <br /> diluvialis bars, wet meadows along <br /> perennial streams <br /> Western Prairie Platanthera Threatened Unplowed, calcareous Not Likely <br /> Fringed Orchid' praeclara prairies and sedge <br /> meadows <br /> Mammals <br /> Preble's Meadow Zapus hudsonius Threatened Densely vegetated,shrub- Not Likely <br /> Jumping Mouse preblei dominated riparian <br /> (streamside) areas and <br /> immediately adjacent <br /> undisturbed grasslands <br /> 'Platte River Recovery Implementation Program Species <br /> z The potential for occurrence is based on desktop and field assessments.Consultation with USFWS Colorado Ecological <br /> Services Field Office will be required to confirm findings. <br /> Five of the species identified by IPaC (Least tern, Pallid sturgeon, Piping plover, Western prairie fringed <br /> orchid, and Whooping crane) are USFWS Platte River Species. These species should be considered if a <br /> water-related activity or use is proposed within the North Platte,South Platte or Laramie River Basins that <br /> may lead to downstream depletions of the river system in Nebraska. Because the project area is in the <br /> South Platte River Basin, consultation with the USFWS Colorado Ecological Services Field Office is <br /> recommended to determine if impacts are anticipated, and if mitigation would be required. <br /> The IPaC report generated for the project also identified one additional migratory bird species that is <br /> protected under the Migratory Bird Treaty Act(META)and Bald and Golden Eagle Protection Act(BGEPA) <br /> and has limited potential to occur at the site. The Golden Eagle (Aquila chrysaetos) inhabits grasslands <br /> and forest habitat and often nests on cliffs or in large trees that offer unobstructed views of their <br /> surroundings. Cliffs and large trees are absent from the project area, making it unlikely that the project <br /> area would provide suitable habitat for this species. <br /> 3.2.3 State Species <br /> RETTEW reviewed CPW All Species Activity Mapping GIS data to identify species with ranges that overlap <br /> the project area (CPW,2018).CPW habitat suitability descriptions were compared with data from the field <br /> investigation and aerial mapping to determine which species have the potential to occurwithin the project <br /> area.Table 3.2 identifies the evaluated species and lists the potential for each to occur within the project <br /> area. <br /> 5 <br /> Keenesburg Project_Limited Impact 110 Application_May 24,2019 <br />