2022-08-17_REVISION - C1981019

• Permit No: C1981019
• IBM Index Class Name: Revision
• Doc Date: 8/17/2022
• Doc Name: Adequacy Review Response
• From: Tri-State Generation and Transmission Association, Inc.
• To: DRMS
• Type & Sequence: RN8
• Email Name: ZTT
• Email Name: JDM
• Media Type: D
• Archive: No

LIST OF TABLES
Table 2.04.4-3.........Previous Cultural Resource Investigations in Legal Sections Containing the Colowyo
Collom Mine Permit Area
Table 2.04.4-4 Previously Recorded Sites at or near the Affected Areas of the Proposed Colowyo
Collom Mine Permit Area
Table 2.04.4-5 Management Recommendations for Eligible and Unevaluated Sites
Table 2.04.7-38 Current and Former Bedrock and Valley-Fill Monitoring Wells
Table 2.04.7-39 Aquifer Test Results Summary
Table 2.04.7-40 Aquifer Test Results Statistics
Table 2.04.7-41 Baseline Bedrock Groundwater Monitoring Data
Table 2.04.7-42 Baseline Valley-Fill Groundwater Monitoring Data
Table 2.04.7-43 Groundwater Flux Summary
Table 2.04.7-44 State Registered Water Wells in General Area
Table 2.04.7-45 Hydrologic Data for Selected Streams in the Lower Yampa River Basin
Table 2.04.7-46 Surface Water Sample Location Summary
Table 2.04.7-47 Spring and Seep Sample Location Summary
Table 2.04.7-48 Baseline Surface Water Quality Monitoring Data Summary
Table 2.04.7-49 Baseline Spring and Seep Water Quality Monitoring Data Summary
Table 2.04.7-50 Surface Water Adjudications Within and Near the Collom Permit Expansion Area
Table 2.04.7-51 Surface Water Rights Owned by Colowyo
Table 2.04.9-15 Present Productivity of the Soil Map Units-Collom Mine Area
Table 2.04.9-17 Soil Chemistry
Table 2.04.9-18 Soil Physical Properties
Table 2.04.9-19 Preliminary Topsoil Suitability Rating Guide
Table 2.04.9-20 Soil Map Unit Descriptions
Table 2.04.10-33 Collom Study Area&Reference Area Acreages by Community Type
Table 2.04.10-34 Collom—Vegetation Cover—2005 Species Observed
Table 2.04.10-35 Collom — Vegetation Cover — 2005 Diversity Summary (Number of Species with
Between 3 percent and 50 percent Relative Cover—Including 2nd Hits Below Shrub
Layer)
Table 2.04.10-36 Collom—Vegetation Production—2005 Summary of Sampled Areas
Table 2.04.10-37 Collom — Woody Plant Density — 2005 Comparison of Baseline and Reference
Area Vegetative Communities
Table 2.04.10-38 Collom—2005 Baseline Study Area—Reference Area Statistical Comparison
Table 2.04.10-39 Collom—Vegetation Cover—2005 Aspen Community— Cover Summary
Table 2.04.10-40 Collom—Vegetation Production—2005 Aspen Community—Baseline Area
Table 2.04.10-41 Collom -Woody Plant Density—2005 Aspen Community—Baseline Area
Table 2.04.10-42 Collom -Tree Density& Canopy Cover—2005 Aspen-Baseline Area
Table 2.04.10-43 Collom—Vegetation Production—2005 Aspen -Reference Area
Table 2.04.10-44 Collom -Woody Plant Density—2005 Aspen Community—Reference Area
Table 2.04.10-45 Collom -Tree Density &Canopy Cover—2005 Aspen-Reference Area
Table 2.04.10-46 Collom—Vegetation Cover—2005 Bottomland Community—Cover Summary
Table 2.04.10-47 Collom—Vegetation Production—2005 Bottomland Community—Baseline Area
Table 2.04.10-48 Collom -Woody Plant Density—2005 Bottomland Community—Baseline Area
Table 2.04.10-49 Collom—Vegetation Production—2005 Bottomland-Reference Area
Table 2.04.10-50 Collom -Woody Plant Density—2005 Bottomland Community—Reference Area
Table 2.04.10-51 Collom—Vegetation Cover—2005 Grassland Community— Cover Summary
Table 2.04.10-52 Collom—Vegetation Production—2005 Grassland Community—Baseline Area
Table 2.04.10-53 Collom -Woody Plant Density—2005 Grassland Community—Baseline Area
Table 2.04.10-54 Collom—Vegetation Production—2005 Grassland -Reference Area
Table 2.04.10-55 Collom -Woody Plant Density—2005 Grassland Community—Reference Area
Table 2.04.10-56 Collom—Vegetation Cover—2005 Juniper Scrub Community— Cover Summary
v Revision Date: 4/14/22
Revision No.: RN-08