2008-03-13_REPORT - C1981019

• Permit No: C1981019
• IBM Index Class Name: REPORT
• Doc Date: 3/13/2008
• Doc Name: 2007 AHR & ARR Section 1 to 12
• From: Colowyo Coal Company
• To: DRMS
• Annual Report Year: 2007
• Permit Index Doc Type: Hydrology Report
• Email Name: SB1
• Media Type: D
• Archive: No

Colowyo Coal Company
2o107Aaaual Reclamation sad Hydrology Report
TABLE OF CONTENTS
SECTION 1 -IMPOUNDMENTS ........................................................................................................1-1
RULE REQUIREMENT ........................................................................................................................ 1-1
GENERAL DISCUSSION ..................................................................................................................... 1-2
SECTION 2 -SURFACE AND GROUND WATER DATA .................................................................. 2-1
RULE REQUIREMENT ........................................................................................................................ 2-1
GENERAL DISCUSSION ..................................................................................................................... 2-1
GENERAL TRENDS ............................................................................................................................. 2-2
SECTION 3 - CDRMS ARR FORM AND SUPPORT DOCUMENTS .................................................. 3-1
RULE REQUIREMENT ........................................................................................................................ 3-1
GENERAL DISCUSSION ..................................................................................................................... 3-1
FIGURE 3-1 -COMPLETED CDRMS ANNUAL RECLAMATION REPORT FROM ......................................... 3-2
FIGURE 3-2 - COLOWYO RECLAMATION TABLE ...................................................................................... 3-3
SECTION 4 -SEED TAG INFORMATION AND APPROVED REVEGETATION MDC ..................... 4-1
RULE REQUIREMENT ........................................................................................................................ 4-1
GENERAL DISCUSSION ..................................................................................................................... 4-1
FIGURE 4-1 - COLOWYO RECLAMATION SEED MIXTURE TABLES ........................................................... 4-2
FIGURE 4-2 -COPIES OF SEED TAGS ........................................................................................................ 4-6
FIGURE 4-3 -SEED INVOICES .................................................................................................................. 4-7
SECTION 5 - 2007 ANNUAL REPORT (MAP) ................................................................................... 5-1
• RULE REQUIREMENT ........................................................................................................................ 5-1
GENERAL DISCUSSION . . 5-1
SECTION 6 - 2007 ANNUAL REPORT CROSS SECTIONS (MAPS) .................................................. 6-1
RULE REQUIREMENT ........................................................................................................................ 6-1
GENERAL DISCUSSION ..................................................................................................................... 6-1
SECTION 7 -QUARTERLY FILL INSPECTION REPORTS ............................................................... 7-1
RULE REQUIREMENT ........................................................................................................................ 7-1
GENERAL DISCUSSION ..................................................................................................................... 7-1
FIGURE 7-1 -WEST PIT FILL QUARTERLY INSPECTION REPORTS ............................................................ 7-3
FIGURE 7-2 -WEST PIT FILL SURVEY MONUMENT REPORT ................................................................... 7-7
FIGURE 7-3 -WEST PIT FILL SURVEY MONUMENT REPORT GRAPHS ................................................... 7-16
SECTION 8 -REGRADED OVERBURDEN SAMPLING .................................................................... 8-1
RULE REQUIREMENT ........................................................................................................................ 8-1
GENERAL DISCUSSION ..................................................................................................................... 8-1
FIGURE 8-1 -PERMIT REQUIREMENTS .................................................................................................... $-2
FIGURE 8-2 -OVERBURDEN SAMPLE SUSPECT LEVELS .......................................................................... 8-3
FIGURE 8-3 -REGRADED OVERBURDEN SAMPLING TRACKING SPREADSHEET ....................................... 8-4
FIGURE 8-4 -LABORATORY ANALYSIS OF REGRADED OVERBURDEN SAMPLES ..................................... 8-9
SECTION 9 - REVEGETATION MONTTORING REPORT ................................................................. 9-1
RULE REQUIREMENT ........................................................................................................................ 9-1
GENERAL DISCUSSION ..................................................................................................................... 9-1
SECTION 10 -SHRUB ESTABLISHMENT STUDY; TECHNICAL PROGRESS REPORT ................ 10-1
RULE REQUIREMENT ...................................................................................................................... 10-1
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