WSPC07444

• File Number: 7630.500
• Description: Wild and Scenic - Rio Grande River
• State: CO
• Basin: Statewide
• Date: 9/1/1989
• Author: DOI-BLM
• Title: San Luis Resource Management Plan and Environmental Impact Statement - Draft - Volume II - Chapters 4-Appendices
• Water Supply Pro - Doc Type: Report/Study

. ;".11.1 lit

0,)1572

TABLE OF CONTENTS

Pages

Historical Resources uouomo.m.m...oUUoo..h.ho.ooooomhohoooom.mo.uoho..hoom..o.h..omho"m,'mho....ohohoOh 3-7
Fire Management ooou..mhOOhmhU..ho"OU....hUh"OhOhOOhUOhOOOhO.hO...O.hOO'UhOUm..uOOoOOhuO..u.mhoomhOh 3-7
Economic Conditions and Social Environment OhO.ho.mOhO..hOhOU.OOOhOOh...OO.ho.mOOOOOhOOhU.hOhOOOhmo0 3-7
Hazards Management OOhUOhUhOO.hO..h..OhO'O"'O"'"",UhOOOhO"UOhOOhuo.mh.om"Uho.h"O'UOh"'mhuh..houu 3-7
Special Status Plant and Animal Species ..UhUhOuhOhuhmhO....u.homOhOhu.hO...Uhh.hu.mh..mh..hhu 3-8
Waterpower IStorage OhOh "Oho Oh.....O..hO......hU. ..OhhhOh,U.h"''''''..h..Oh''''Oh..hOUU.hUOh..hUhUOhOhOhO.. 3 _ 8
Alternatives Considered But Not Analyzed Oh..hU'..O...OhU,hO",U.h..hO"U.hhUOhU.....hO..h..hUh..mhUhU.U 3-8
Existing Management Alternative o....m.umh..h.huhO..UOh..hOU.U.hUOhOh...O..hUh....UhUOhO...UO..OhOh".h.h 3-9
Natural Resource Enhancement Alternative ..h......hU.h...UOh..hUOh..h..humOhuh..h....O..h..hO....h..hOhO 3-16
Resource Production Enhancement Alternative Oh......Oh...hOh..Oh..h..Oh..h......mh..h..OhOhomhO....hOhO.. 3-22
Preferred Alternative 0 ..hOhUhu......h..........h.. ..Oh.h..h"'''Oh''hUOho..h"..Oh.... O"uOhu.m.hUhu..h"Uh..mOh 3 _ 28
Comparison of Alternatives mOh....u....O..h..hOUhOh..hOhU.hOhO...UOh....h..UOh.hUh...h..huhuumOh"'Oh"OhO 3-38

vi

CHAPTER 4 ENVIRONMENTAL CONSEQUENCES

Assumptions for Analysis OUOhOO'ho"uo,'ho",o'''O''U'''''''''h.........m''''''''u'h...u.....h..O.u..........U.....h.Oh..... 4-1
General Assumptions .h....U....hU..h.......h..h...Uh...h......h.hUhu.h.U.h..h.h.......h.hUhU.hu.h..........Uh... 4.1
Minerals Management U.h..h...h..h..h...hO..h..h..h......h.h........h.h...h......m....h...h..h..............h....... 4- 2
Paleontological Resources ........h...h............m......................u..........................h...U......h..hh......h. 4- 2
Riparian Resources Management ...h..hU.............h.......U.....h....u.hm..O.............h....Uh....u.h.....h.... 4- 2
Livestock Grazing Management h.................h.........h......h..h....UU........U.....h...........h"u,,"h...U..... 4-2
Wildlife and Fish Habitat Management ......h.....hU......U.h...hU.hh...h..UUh..h..h.....U.h.h.UU.h..h.h. 4-2
Forest and Woodland Management ...h...h..h.......U.h.hU.h..h.Uh.h...h.UU.h..h.huh.....U.h...hUh..Uh. 4-2
Lands and Realty Management h...h..h...h..h.h...h..h.hmh.h............h...U.h.hUUU......h..h.U.hh..h..h 4-3

Wilderness Management .h..h...U...h.......h.............h.......h.h...........h..h.UU..U......u........u.......h....u 4- 3
Areas of Special Concern ...................h...h..o.........Uu..h..u...u...............h.......um.'''''...U..h,h..h...... 4-3
Access and Transportation Management h...h.....h...h...u.hmhhh.h...h..h..h..hUh..hU.....h.UUh..h.... 4-3
Recreation Management ....u....UU..h...................h.....h.......u...u......h...U.......u............................u 4- 4
Visual Resource Management ...h.......h.......h.............h..h...U...U..............h............"'U""U'Uh..hh.. 4-4
Historical Resources ...U.....h........U......h...h..U.........h..h............u......u..u...................h.....h........h.. 4- 4
Archaeological Resources ..O...h.......................h....O..........h........................u.m....huh............UhUh.. 4-4
Economic Conditions and Social Environment ......hhU.h...U.h........h.....h...u.hum..h...u......u.....u. 4-4
Special Status Plant and Animal Species ..h..h......h...U.....h.......h.............h...h..h....U......h.U.......... 4-7
Walerpower IStorage .. .........................................h...........................h...................h.......u............h 4 _ 7

Alternatives Analysis ....u.........................O.......hh.......h..............h...U..................................h..h........... 4- 7
Existing Management Alternative ...............................h............u.........................h...uhh........u..... 4-7
Minerals Management ............u..o....h....h.....m....................u..........h..m....h.......u............h....... 4-7
Paleontological Resources ....O............u..u.........h..............h............h.............h...................u...... 4 _ 9
Riparian Resources Management ..u........................................U..h..................u......,U.h""""h" 4-9
Livestock Grazing Management ...................h..h......h................................................h,,'..h.... 4-10
Wildlife and Fish Habitat Management ...............u.....m..h...........u....h.......U.h...........U.U....h 4-10
Forest and Woodland Management ..........U..h.h...h.hU.........h......h................u..m......h..h..... 4-11
Lands and Realty Management ...h.........h........h.h...m..............h..h.....h....Uh......h.......h.h...h. 4-12
Areas of Special Concern h......h...................h...O..............h.h..........hh......hh..u.........h........m 4-12

Recreation Management ....h.h........u......h...........U.....h........m..h........h..h..h.....................u... 4-12
Visual Resource Management ........u................................hU....Uh..........................h................ 4-12
Historical Resources ...h......................................mh..h...m.h..hO....h..............h......h..h.h..h'h.. 4-13
Archaeological Resources .........h....h.......h......h.....h.h.......h...........h..............h......h.h.......h.. 4-13
Economic Conditions and Social Environment .hhh.....h......h.......h......h..mh....u.h.h........h.... 4-13
Special Status Plant and Animal Species u....U...h.........h............h.....hu...U..u........m.h.h.h.h... 4-14
Waterpower IStorage ......h......h..h........hU .........o..h..........h..h.......hh...hUh "".h.......h'h.h'h.h 4 - 14