Animas-La PLata Project Environmental Impact Statement

TABLE OF CONTENTS (continued)
Chapter
Page No.
3.9.2.2.1 Methodology ............................. 3 -141
3.9.2.2.2 Significance Criteria .......................
3 -141
3.9.3 Affected Environment ........... ...............................
3 -142
3.9.3.1 Cultural Resources ...... a .............................
3 -142
3.9.3.1.1 Ridges Basin .............................
3 -144
3.9.3.1.2 Areas West of Ridges Basin .................
3 -145
3.9.3.1.3 Areas East of Ridges Basin .................
: 3 -145
3.9.3.1.4 Navajo Nation Municipal Pipeline ............
3 -146
3.9.3.1.5 Summary of Impacts, Refined Alternatives
4 and 6 .... ..............................3
-146
3.9.3.2 Paleontologic Resources ...............................
3 -146
3.9.3.2.1 Paleontologic Potential of Geologic Units ......
3 -149
3.9.4 Environmental Consequences' and Mitigation Measures ...............
3 -150
3.9.4.1 Refined Alternative 4 ... ............................... 3 -151
3.9.4.1.1 Cultural Resources ......................... 3 -151
3.9.4.1.2 Paleontologic Resources .................... 3 -153
3.9.4.2 Refined Alternative 6 ... ...............................
3 -154
3.9.4.2.1 Cultural Resources .........................
3 -154
3.9.4.2.2 Paleontologic Resources ....................
3 -156
3.9.4.3 No Action Alternative .. ...............................
3 -156
3.10 AGRICULTURE ..................... ...............................
3 -157
3.10.1 Introduction ................... ...............................
3 -157
3.10.2 Evaluation Methodology ......... ...............................
3 -157
3.10.2.1 Methodology .......... ...............................
3 -157
3.10.2.1.1 Structural Component ......................
3 -157
3.10.2.1.2 Non - Structural Component ..................
3 -158
3.10.2.1.3 Non - Binding Water End Use and Conveyance
System .... ..............................3
-159
3.10.2.2 Significance Criteria .... ...............................
3 -159
3.10.3 Affected Environment ........... ...............................
3 -159
3.10.3.1 La Plata County, Colorado ..............................
3 -160
3.10.3.2 Montezuma County, Colorado ...........................
3 -161
3.10.3.3 San Juan County, New Mexico ..........................
3 -161
3.10.3.4 Structural Components .. ...............................
3 -162
3.10.3.4.1 Ridges Basin - Refined Alternative 4 ..........
3 -162
3.10.3.4.2 Navajo Nation Municipal Pipeline -
Refined Alternative 4 and Refined Alternative 6 .
3 -163
3.10.3.4.3 Lemon Reservoir - Refined Alternative 6 .......
3 -163
3.10.3.5 Non - Structural Component .............................
3 -164
3.10.3.5.1 La Plata River ............................
3 -164
3.10.3:5.2 Pine River ...............................
3 -164
3.10.3.5.3 Mancos River .............................
3 -165
3.10.3.5.4 McElmo Creek ............................
3 -165
3.10.3.6 Non - Binding Water End Use and Conveyance System ........
3 -166
3.10.3.6.1 Refined Alternative 4 .......................
3 -166
3.10.3.6.2 Refined Alternative 6 .......................
3 -167
3.10.4 Environmental Consequences and Mitigation .......................
3 -168
3.10.4.1 Refined Alternative 4 ... ...............................
3 -168
3.10.4.1.1 Structural Component ......................
3 -168
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