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<br />Alex P. Schatz <br />3anuary 12, 2001 <br />page 3 <br />• i` ` <br />If the owl is identified, mitigation or avoidance measures may be required. The western <br />burrowing owl is a summer migratory resident of Colorado, found primarily in grasslands <br />and mountain pazks, usually in or near black-tailed prairie dog or Richazdson's ground <br />squirrel colonies. The owls may also use well-drained steppes, deserts, prairies, and <br />agricultural lands. No burrowing owl habitat was observed on the Nix property during <br />our site investigation. <br />Discussion and Recommendations <br />Waters of the United States and potential jurisdictional wetlands are located within four <br />irrigation ditches on the Nix property. Characteristic potential habitat for the Ute ladies- <br />tresses orchid, Preble's meadow jumping mouse, and western burrowing owl are not <br />present on the site. <br />Waters of the United States are present within the Nix property. If development <br />envisions impacting any of the four ditches described as jurisdictional, ajurisdictional <br />wetland delineation should be undertaken to characterize the waters of the United States <br />and corresponding jurisdictional wetlands and establish azeal extent. Impacts requiring a <br />permit from the Corps include (but are not limited to) outfalLs, riprap placement, <br />reconfiguration and relocation of the ditches, trenching across the ditches for line <br />installation, and installation of culverts or bridge structures. <br />If I can provide additional information or clarification regarding the preliminary <br />investigation, please call me at your convenience. <br />Sincerely, <br />c.~\ <br />Edith Savage <br />President <br />Enclosure: General Location and Features Map <br />