2012-03-07_PERMIT FILE - C2010088 ‎(28)‎

• Permit No: C2010088
• IBM Index Class Name: Permit File
• Doc Date: 3/7/2012
• Doc Name: USFWS Biological Opinion
• Section_Exhibit Name: Exhibit 19
• Media Type: D
• Archive: No

McClane Canyon Mine Expansion and Fruita Loadout Facility Biological Assessment
Table of Contents
1.0 Introduction ............................................................................................................ ..............................1
2.0 Proposed Action ................................................................................................... ...............................
3
2.1 Project Location ................................................................................................ ...............................
3
2.2 Project Setting ......................... ...........:..:.......................;............:..................... ...............................
3
2.3 Proposed Action Components ......................................................................... ...............................
9
2.3.1 Mine Site ................................................................................................... ...............................
9
2.3.2 Loadout Facility ........................................................................................ .............................11
3.0 Consultation History ........................................................ ............................... ......................
.............. 13
4.0 Listed Species ...............................:............................. :.............................. 14
... ...............................
4.1 Action Area ....................................................................................................... .............................15
4.2 Determinations of "No Effect" .................:......................................................... .............................16
4.3 Determination of Effect to Endangered Colorado River Fishes ....................... .............................18
4.3.1 Colorado Pikeminnow .............................................................................. .............................19
4.3.1.1 Species Account and Critical Habitat ................................................... .............................19
4.3.1.2 Environmental Baseline ..................................................................... ............................... 20
4.3.1.3 Effects by the Proposed Action .......................................................... ...............................
21
4.3.1.4 Conservation Measures ..................................................................... ...............................
26
4.3.1.5 Determination of Effects ..................................................................... ...............................
27
4.3.2 Razorback Sucker .................................................................................... .............................29
4.3.2.1 Species Account and Critical Habitat ................................................. ...............................
29
4.3.2.2 Environmental Baseline ..................................................................... ...............................
30
4.3.2.3 Effects by the Proposed Action .......................................................... ...............................
30
4.3.2.4 Conservation Measures ....................................................................... .............................31
4.3.2.5 Determination of Effects ..................................................................... ...............................
31
4.3.3 Bonytail ...................................................................................................................................
32
4.3.3.1 Species Account and Critical Habitat ................................................. ...............................
32
4.3.3.2 Environmental Baseline ..................................................................... ...............................
33
4.3.3.3 Effects by the Proposed Action .......................................................... ...............................
33
4.3.3.4 Conservation Measures ..................................................................... ...............................
34
4.3.3.5 Determination of Effects ..................................................................... ............................... 34
4.3.4 Humpback Chub ....................................................................................... .............................34
4.3.4.1 Species Account and Critical Habitat ................................................. ...............................
34
4.3.4.2 Environmental Baseline ..................................................................... ...............................
35
4.3.4.3 Effects by the Proposed Action .......................................................... ...............................
36
4.3.4.4 Conservation Measures ..................................................................... ...............................
36
4.3.4.5 Determination of Effects ....................................................................... .............................36
5.0 Interdependent and Interrelated Effects ....:.......................................................... .............................37
6.0 References ............................................................................................................ .............................37
List of Tables
Table 1 Species Considered for Consultation in this Biological Assessment ........ .............................14
List of Figures
Figure 1 Average Monthly Discharge in East Salt Creek, 1973 to 1982, Measured at USGS Gage
09163310. Vertical Lines are Minimum and Maximum Monthly Flows ...... ..............................6
Figure 2 Average Monthly Discharge in Reed Wash, 1973 to 1983, Measured at USGS Gage
09163300 near Loma. Vertical Lines are Minimum and Maximum Monthly Flows ..................8