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• percent relative abundance) by caddisflies, and primarily the genus Hvdropsvche. <br />Certain species of invertebrates collected at Site D-3 are indicative of a biological <br />community as defined by Rule 4.05.18(3). These include the Baetis sp., Gammarus lacustri s, <br />Ephemeroptera, Leptophlebidae, Tricoptera, and Ootioservus sp. <br />Pert phyton samples in May, 1974 at Site D-3 resulted in the collection of 15 species of <br />diatoms. Surirella patella dominated the sample (68.2 percent relative abundance). In tht <br />fall, both diatoms (17 identified species) and green algae (2 species ) were collected. <br />Various species of Navicula accounted for 64.6 percent of the total periphyton at loner Dry <br />Creek (D-3) in November, 1974. <br />Threatened or Endangered Species <br />The original baseline fish and wildlife information contained in the application for Permit <br />No. C-80-003 was developed by the 3R Corporation. No quantitative studies were made of <br />fish and wildlife or their habitats within and adjacent to the loadout permit area at that <br />• time, although consultation was conducted with the CDON regarding the application. The 3R <br />Corporation concluded that no Federally listed threatened or endangered species occur <br />within or immediately adjacent to the proposed permit area due to lack of suitable habitat <br />(3R Corporation, 1977b). Although no quantitative studies were specific to [he loadout <br />area, sufficient information on wildlife resources was apparently contained in the original <br />application to warrant issuance (and two subsequent renewals) of the original permit. For <br />example, Che January 23, 1987 Proposed Decision end Findings of Compliance document for <br />Permit C-003-80 stated a[ page 28 the[ "the Division finds that the proposed activities <br />will not affect the continued existence of endangered or threatened species or result in <br />the destruction or adverse modification of their critical habitats." <br />In the process of preparing this new application for the existing facility, Hayden Gulch <br />Terminal, Inc.'s representatives contacted [he CDOY and USF4S to update information <br />contained in the original application regarding important wildlife and wildlife habitat. <br />Letter responses were obtained from Mr. Jim Morris, Nildlife Biologist with the CDON, and <br />Mr. Keith L. Rose, Assistant Colorado State Supervisor, USFUS (see correspondence in <br />Attachment 11-1). In addition, telephone conversations were conducted with UgFwg <br />• representatives (Mr. Bob Leach man) regarding the loadout facility permitting. <br />13 Revised 03/01/93 <br />