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TWENTYMILE COAL COMPANY — FOIDEL CREEK MINE
<br />TECHNICAL REVISION TR09 -70
<br />18 -LEFT MINE WATER TRANSFER PIPELINE
<br />SUMMARY OF REVISIONS /ADDITIONS (01/10)
<br />REVISION /ADDITION I DESCRIPTION PLACEMENT INSTRUCTIONS
<br />GENERAL RE UIREMENTS (RULE 2.01
<br />Page 2.01 -4
<br />Revised text addressing changes in
<br />Replaces Page 2.01 -4 in Volume
<br />disturbance area
<br />I
<br />ENVIRONMENTAL RESOURCE INFORMATION (RULE 2.04
<br />Pages 2.04 -9, and 9.1
<br />Revised text incorporating
<br />Replaces Pages 2.04 -9, and 9.1
<br />information on cultural resource
<br />in Volume I
<br />surveys for pieeline
<br />OPERATIONS PLAN — MINE FACILITIES RULE 2.05
<br />Pages 2.05 -45.7, 45.8,
<br />Revised operations and reclamation
<br />Replaces Pages 2.05 -45.7, 45.8,
<br />45.9, 45.10, 45.11, 45.12,
<br />plan text incorporating information
<br />45.9, 45.10, 45.11, 45.12, 45.13,
<br />45.13, 45.14, 45.15, 45.16,
<br />on pipeline
<br />45.14, 45.15, 45.16, 45.17,
<br />45.17, 45.18, 45.19, 45.20,
<br />45.18, 45.19, 45.20, 50, 50a,
<br />50, 50a, 50.1, 50.2, 50.3,
<br />50.1, 50.2, 50.3, 50.4, 50.5, 50.6,
<br />50.4, 50.5, 50.6, 50.7, 51,
<br />50.7, 51, 84.6, 84.7, 84.8, 106. 1,
<br />84.6, 84.7, 84.8, 106. 1, and
<br />and 106.2 in Volume I
<br />106.2
<br />TABLES
<br />Table 49A — Soil Stockpile
<br />Revised table includes soil volumes
<br />Replaces Table 49A in Volume
<br />Summ
<br />for pipeline
<br />IV -A
<br />EXHIBITS
<br />Exhibit 6R - 18 -Left
<br />Supplemental cultural survey report
<br />Insert in Exhibit 6R in Volume II
<br />Ventilation Shaft —
<br />for pipeline
<br />Supplemental Cultural
<br />Resource Investigations
<br />Exhibit 49R, 18 -Left
<br />Supplemental design information
<br />Insert in Exhibit 49R in Volume
<br />Ventilation Shaft — Design
<br />for pipeline
<br />II -E
<br />Drawings
<br />MAPS
<br />Map 24 (Sheet 4/4),
<br />Revised map showing 18 -Left Mine
<br />Replaces Map 24 (Sheet 4/4), in
<br />Surface Facilities and
<br />Water Transfer Pipeline
<br />Volume V -A
<br />Fresh Water Systems
<br />
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