2019-11-27_PERMIT FILE - M2019058 (20)

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Appendix-8 Keenesburg Project RETTEW Project No. 114782000 Colorado Sand Company LLC April 26,2019 Table 3.1 continued: Federally Listed Species Potential Common Name Scientific Name Status Habitat Occurrence within Sitez Whooping Crane' Grus americana Endangered Wetlands, wet meadows, Not Likely(last areas around rivers and wild bird in CO agricultural fields died in 2002) Fishes Pallid Sturgeon' Scaphirhynchus Endangered Large rivers None albus Flowering Plants Colorado Gaura Threatened Alluvial soils on active Not Likely Butterfly Plant neomexicana var. floodplains, depressions, coloradensis wide, meandering stream channels Ute Ladies'- Spiranthes Threatened Riparian edges,gravel Not Likely tresses diluvialis bars, wet meadows along perennial streams Western Prairie Platanthera Threatened Unplowed, calcareous Not Likely Fringed Orchid' praeclara prairies and sedge meadows Mammals Preble's Meadow Zapus hudsonius Threatened Densely vegetated,shrub- Not Likely Jumping Mouse preblei dominated riparian (streamside) areas and immediately adjacent undisturbed grasslands 'Platte River Recovery Implementation Program Species Z The potential for occuri ence is based on desktop and field assessments.Consultation with USFWS Colorado Ecological Services Field Office will be required to confirm findings. Five of the species ide tified by IPaC (Least tern, Pallid sturgeon, Piping plover, Western prairie fringed orchid, and Whoopingcrane) are USFWS Platte River Species. These species should be considered if a water-related activity o use is proposed within the North Platte,South Platte or Laramie River Basins that may lead to downstream depletions of the river system in Nebraska. Because the project area is in the South Platte River Ba in, consultation with the USFWS Colorado Ecological Services Field Office is recommended to deter ine if impacts are anticipated and if mitigation would be required. The IPaC report also identified one additional migratory bird species with potential to occur at the site that is protected under the Migratory Bird Treaty Act (META) and Bald and Golden Eagle Protection Act (BGEPA). The Golden Eagle (Aquila chrysaetos) inhabits grasslands and forest habitat and often nests on cliffs or in large trees that offer unobstructed views of their surroundings. Cliffs and large trees are absent from the project area, making it unlikely that the project area would provide suitable habitat for this species. 5