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January 2004 <br />TABLE OF CONTENTS <br />General Overview .....................................................................................................................1 <br />1.0 Introduction and Background ............... ................... ..... ..... ............... . ..1 <br />1.1 Purpose Of And Need For Proposed Actions .............. ................... .....2 <br />2.0 Authorizing Actions and Relationship to Forest Service Policies, Plans and Programs.2 <br />3 0 Conformance With Forest Plan........... ........................... ...... ................ .....5 <br />4.0 Relationship to Other Environmental Documents ........................ ......... ......... ...5 <br />5.0 Proposed Actions .. .. .................... .. .. ..................... .. .... ... .. .6 <br />6.0 Past, Present and Reasonably Foreseeable Future Actions...... .............. ....6 <br />Chapter 1A -Purpose and Need ............................................................................................10 <br />1A 1 Introduction and Background ........ .... ....... ... .... .. 10 <br />1A 2 Purpose of and Need for Proposed Action ... .................. .. ... .... ...10 <br />1A 3 Project Schedule ..... .. .... ....... .. .. ..... ... .... .. ... . 10 <br />1A.4 Decisions to be Made by Forest Service Responsible Official .. ... ... .. ...... ...11 <br />Chapter 2A -Issues and Alternatives ................................................................................ ...12 <br />2A 1 Introduction .... .... .... ........................ .................... .. .... .. ..... ...12 <br />2A 2 Public Involvement .... .......... .......................................... .... .............. ..12 <br />2A 3 Issues and Concerns .......... ............. ... ...................... ..................... . 12 <br />2A.3 1 Issues Not Carried Forward for Detailed Analysis .............. ..... ............... ..14 <br />2A.4 Alternative 1 -Proposed Action -Sylvester Gulch Temporary Road with Preferred <br />Drainage Handling and Reclamation Option ................................. .................... ...14 <br />2A 5 Alternative 2 -Undulating Alignment for Sylvester Gulch Road ... ................ ...18 <br />2A 6 Alternative 3 -Meadow Road ................................... .......... ..... ................ .. 19 <br />2A.7 Alternative 4 - No Action .. ............ ................................. ......:............. ...21 <br />2A.8 Alternatives Considered but Eliminated From Further Study .... ... ................ .. 22 <br />2A.9 Comparison of the Altematives Considered in Detail ................. ... ................ ...22 <br />Chapter 3A -Affected Environment and Environmental Consequences ........................ ...26 <br />3A.1 Introduction .............. .. .............. .......................... .............. ...26 <br />3A.2 Geology and Geologic Hazards ........... .................................. .................... ...26 <br />3A.2.1 Existing Conditions .. .................................... .................... <br />........... ...26 <br />3A.2.2 Environmental Consequences ........................................... ................ .. 27 <br />3A.2.3 Management and Mitigation Measures ............................. ...................... ..29 <br />3A.3 Water Resources . ............................................................. ..... .. ......... 30 <br />3A.3 1 Existing Conditions .... ........ ......... ............... ................ <br />... .. ...30 <br />3A.3 2 Environmental Consequences .... ...... .................. ....... ... ..... ...31 <br />3A 4 Vegetation .................... .. ....... ................................. ..... ......... .. 34 <br />3A.4.1 Existing Conditions .......... .............. ............................ ................... . 34 <br />3A.4.2 Environmental Consequences....... .......................... .. ...... ............ ...35 <br />3A.4.3 Management and Mitigation Measures ............................ ... ....... ...... .37 <br />3A 5 Wildlife ... ........... .... . ......... ........................ ..... ............... ...37 <br />3A 51 Existing Conditions .. ............................ ... ........... .. .. 37 <br />3A 5 2 Environmental Consequences .... ....... . ................... ...... ..... . 41 <br />3A.5 3 Management and Mitigation Measures ............. .... .. ......... 47 <br />3A 6 Land Use and Recreation .... .. .... .... .. ..................... .. ... .. ...... 47 <br />3A.6.1 Existing Conditions .... ... .................... .. ..... .. .... .. 48 <br />3A.6 2 Environmental Consequences ........ . ....... .... ... .. ......... .. . 50 <br />3A 6 3 Management and Mitigation Measures .............. ... ... ..... ... . 51 <br />Environmental Assessment <br />Sylvester Gulch Road Construction /Box Canyon Coal Methane Drainage Wells / <br />Box Canyon Shallow Seismic Reflection Survey <br />Gunnison County, Colorado <br />