2010-05-07_PERMIT FILE - C2009087 ‎(14)‎

• Permit No: C2009087
• IBM Index Class Name: Permit File
• Doc Date: 5/7/2010
• Doc Name: Soils Information
• Section_Exhibit Name: Exhibit 2.04.9-E1 Soils Information
• Media Type: D
• Archive: No

• TABLE OF CONTENTS
Section Page
1.0 INTRODUCTION .................. ..............................1
2.0 METHODOLOGY .................. ..............................1
3.0 RESULTS ...................... ............................... .4
3.1
Soil Maps ............................... .................4
3.2
Soil Map Unit Descriptions for Non - Affected Areas ........... .....5
3.3
Soil Map Unit Descriptions and Recommended Salvage Depths for
Potential and Proposed Surface - Affected Areas ..................
5
3.3.1 Map Unit 2VD: Routt- Routt Variant silty clay loam complex ...7
3.3.2 Map Unit 10D: Binco clay .............................
9
3.3.3 Map Unit 35E: Aaberg silty clay ........................
10
3.3.4 Map Unit 53F: Winevada sandy loam ...................
11
3.3.5 Map Unit 66C: Skylick loam ...........................12
3.3.6 Map Unit 66D: Skylick loam ...........................13
3.4
Prime Farmland ............. .............................15
3.5
Hydric Soils ................. .............................15
4.0 REFERENCES .................. ............................... 16
-• TABLE 1 Sage Creek Mine Soils Study Area — Soil Map Unit Characteristics
TABLE 2 Sage Creek Mine Soils Study Area — Soil Interpretations
TABLE 3 Sage Creek Mine - Potential Surface- Affected Areas Plus Buffer (Soil Map
Unit Legend, Topsoil Salvage Depths, Sample Sites, and Information)
ATTACHMENT 1: SOILS LABORATORY DATA
MAPS
Map 1 of 3 — 2008 Soils Study Area, Sage Creek Mine'Project, Routt County, CO
Map 2 of 3 - 2008 Order 1 Soil Survey Areas & Adjacent Seneca II Mine Order 1
Soil Survey Map Units, Sage Creek Mine Project, Routt County, CO
Map 3 of 3 — 2008 South Soil Survey Study Areas Covered by the Foidel Creek
Mine Order 1 Soil Survey, Sage Creek Mine Project, Routt County,
CO
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