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l fah Vit ?1 11eme l'ahnl +11 sClS1111C luncv Lnclnrninctilal Assessnletlt <br />Bill Barrett Corporation <br />Stone Cabin 3-1) Seismic <br />Survey Project <br />Nate I tit ± <br />.? ?rwr r r ..-s+ <br />Environmental Assessment UT-070-2003-15 <br />August 2003 <br />Prepared by Usol Bureau or Land Manaumenr <br />Price Field Me@ <br />Prleo. UTA11 <br />TABLE OF CONTENTS <br />Errata Sheet (includes comment analysis) 3119.04 <br />CHAPTER 1 -- PURPOSE AND NEED <br />1.1 INTRODUCTION <br />1.2 PURPOSE: AND NEED FOR THE PROPOSED ACTION <br />1.3 SCOPE OF THE ENVIRONMENTAL ASSESSMENT (EA) <br />1.4 CONFORMANCE WI TH BLNI'S LAND USE PLAN AND <br />RELATIONSHIP TO STATUTES. REGULATIONS OR OTHER PLANS <br />1.5 ISSUES <br />1.5 1 Critical Elements <br />1 5 2 Other Issues and Concerns <br />2 _ PROPOSED ACTION AND ALTERNATIVES <br />2 2 PLANNING SURVEYS <br />2.3 ALTERNATIVE A • PROPOSED ACTION <br />2.3.1 Source Generation <br />2.3 1 1 Explosives Detonation <br />2 3.1 2 Vibroseis Buggy -mounted Vibrator Source Generation <br />2,3 2 Data Acquisition <br />2.3.3 Demobilization <br />2.3.4 Support Operations <br />2.3 5 Project Activities and Schedule <br />2.3.6 Workforce <br />2.3 7 Applicant committed Environmental Protection Measures <br />2 3 7 1 Fire Protection <br />2 3.1 2 Existing FacdltleslRO%Vs Protection <br />2 3 7 3 Hazardous and Sold Waster?rash Disposal <br />2 3 7 4 Put)Iic'Crcw Safely <br />2.3 7 5 Water Resources and Wetiandiftanan Protection <br />2 3 7 6 Soil Resource Protection <br />2 3 1 7 Vegetalion Resources Protection <br />2 3 7 8 M!djde Resources <br />2 3 7 9 Wilderness Study Areas <br />3.2.12 Cultural Resources an(1 Native fvnenctu? <br />19)ous Concerns <br />3 2 12 1 Affected Envwronrnent <br />3 2 12 2 Environmental Consequences <br />3.2.12 2 1 Ailernalrve A - Proposed Action <br />3 2 12 2 2 Ailewalive B- BLM Preferred <br />3 2 12 2.3 No Action Allernalrve <br />3.2.13 Transportatton. Recreation and Safely <br />3 2 13 1 Affectea Environment <br />3 2 13 2 Environmental Consequences <br />3,2 13 2 1 Alternative A • Proposed Action <br />3 2 13 2 2 Alternative B- BLM Preferred <br />Alternative <br />3 2 13.2 3 No Action Allemateve <br />3.2.14 Visual Resources <br />3 2 14 1 Affected Environment <br />3 2 14 2 Environmental Consequences <br />3 2 14.2 .1 Alternative A . Proposed Action <br />3 2 14 2.2 Alternative B • B1 tit Preferred <br />3 2 14 2 3 No Acton Aiteival vex <br />;HAPTER 4 -- CUMULATIVE IMPACTS <br />S 1 INTRODUCTION <br />4.2 PRSENT!CURRENT AND PAST ACTIONS <br />4.3 REASONABLY FORESEEABLE FUTURE ACTIONS <br />4 4 CUMULATIVE IMPACTS <br />4 4.1 Proposed Action - Past. PresentlCurrent and <br />HFF Actions <br />4 41 BLhI Preferred Alternative <br />4.5 CONCLUSION <br />littt), ?%%%%%-tit .hlnl.bov'stanecahIv FA,tablcolcontents.htnl ?I N I(? <br />Intro I Table of Contents ' NOxt