_INSPECTION - C1992080 ‎(2)‎

• Permit No: C1992080
• IBM Index Class Name: Inspection
• Doc Name: Inspection Report
• From: DRMS
• To: Mike Savage
• Inspection Date: 9/30/2013
• Email Name: MLT
• Email Name: SB1
• Media Type: D
• Archive: No

September 30,2013 C-1992-080/Carbon Junction Mine MLT
Inspection Topic Summary
NOTE: Y=Inspected N=Not Inspected R=Comments Noted V=Violation Issued NA=Not Applicable
NA -Air Resource Protection R -Roads
R -Availability of Records Y -Reclamation Success
NA -Backfill& Grading R -Revegetation
R -Excess Spoil and Dev.Waste NA - Subsidence
NA -Explosives Y - Slides and Other Damage
Y -Fish&Wildlife NA - Support Facilities On-site
R -Hydrologic Balance Y - Signs and Markers
Y -Gen. Compliance With Mine Plan NA - Support Facilities Not On-site
NA -Other NA - Special Categories Of Mining
NA -Processing Waste Y -Topsoil
COMMENTS
A complete inspection of the Carbon Junction Mine was conducted by Marcia Talvitie and Susan
Burgmaier of the Division. The field portion of the inspection was accomplished on Monday,
September 30, 2013 from 2:45 p.m. to 6:00 p.m. Weather conditions were warm, dry and
breezy.The mine's permit records were checked on the afternoon of October 1, 2013.
Ryan Amdor, P.E., of Goff Engineering and Surveying, LLC, consultant to Oakridge Energy,
Inc., participated in the Carbon Junction Channel portion of the inspection. Goff has been
developing the TR-17 application for as-built plans of the permanent diversion and
reestablishment of the upper Carbon Junction channel.
AVAILABILITY OF RECORDS —Rule 5.02.4(1):
• Mine permit records were available for review at the offices of Goff Engineering and
Surveying, Inc., in Durango. A completed DRMS Availability of Records form is attached to
this report.
EXCESS SPOIL and DEVELOPMENT WASTE—Rule 4.09
Placement; Drainage Control; Surface Stabilization:
• Spoil from mining operations has been stored permanently within the original Carbon
Junction Channel, in a valley fill configuration. We did not observe any signs of instability
of this material during the inspection.
HYDROLOGIC BALANCE - Rule 4.05
Drainage Control 4.05.1, 4.05.2, 4.05.3; Siltation Structures 4.05.5, 4.05.6; Discharge Structures
4.05.7, 4.05.10; Diversions 4.05.4; Effluent Limits 4.05.2; Ground Water Monitoring 4.05.13;
Surface Water Monitoring 4.05.13; Drainage — Acid and Toxic Materials 4.05.8; Impoundments
4.05.6, 4.05.9; Stream Buffer Zones 4.05.18:
Precipitation
• The Durango area received a significant amount of precipitation during the month of
September. A nearby CoCoRaHS station reported a total of 5.79" of rainfall for the month,
Number of Partial Inspection this Fiscal Year: 2
Number of Complete Inspections this Fiscal Year: I Page 2 of 11