2015-06-17_REPORT - M1990057

• Permit No: M1990057
• IBM Index Class Name: REPORT
• Doc Date: 6/17/2015
• Doc Name: Report
• From: Union Milling Co, LLC
• To: DRMS
• Email Name: DMC
• Media Type: D
• Archive: No

Permit M1990-057
Leadville Mill, Union Milling Company, LLC
June 17, 2015
6. Signage. Permanent mill permit identification signs (metal -style) were maintained on the
main gate to the facility and on the mill building, identifying the permitee and permit
number.
7. Fencing. The barbed wire property boundary fence was repaired in various areas where
it was broken by wildlife. Fence maintenance is required by our Lake County Conditional
Use Permit.
8. Permit Boundary. Permit boundary stakes were maintained as required.
9. Mill Facility Activity. The mill buildings and equipment were maintained in preparation of
reconditioning and restarting the mill.
10. Sediment Control. Sediment control measures were performed on an as needed basis
(temporary silt fence construction around the ore stockpiles, temporary historic tailings
storage, and new tailings storage facility). Additionally, culverts were cleaned, and berms
and roads were maintained as required.
11. Ore Stockpiles. Ore stockpiles remain covered with visqueen material as a temporary
measure to minimize acid generating potential of sulfidic ores. This visqueen material
remains in place as long as the material remains in place. Repairs were made as
necessary on visqueen covers in early -June 2014.
12. Weed Control. Weed control measures were performed as required and according to the
weed management plan. Identified weed species are Oxeye daisies and Canada thistle.
Weeds occur sporadically near access roads, the mill building and the fence bordering
the water treatment plant (East side of property). Over the last 4 years, weeds have been
significantly eliminated. Current practice involves walking around property and spraying
weeds with Milestone monthly (5 to 7 oz per acre application rate) June - September.
13. Permitting Activity. The following permitting activities were performed during the year.
• UMC submitted a status report to the Lake County Commissioners as required by
our Conditional Use Permit (CUP. The commissioners informed us that for 2014
and in the future submission of a letter report was sufficient and that presenting
our activities in a public forum was no longer required
• An amendment to M1990-057 to convert from a 110(2) to a 110(d) was approved
by CDRMS on June 11, 2014. UMC supplemented the reclamation bond by
$12,730, bring the total to $64,430.
• On May 1, 2015, UMC received notice from CDRMS that Lockland LLC has
received approval of a Hard Rock 110(2) Reclamation Permit and that UMC can
request release of financial warranty associated with this property. UMC are
addressing this request and are in the process of submitting a written Notice of
Completion and Request to Release Financial Warranty for a DMO.
• UMC continues to maintain stormwater and APENs with CDPHE.
14. Reclamation/Bond. No permanent reclamation occurred at the mill in the last 12 month
period. Additional interim stabilization activities continued within existing disturbed areas.
The bond for both the Leadville Mill and Hopemore Shaft totaling $94,430 remained in
place. The $81,700 amount was determined by the Division in November 2007 and an
additional $12,730 was added in June 2014 with respect to the DMO at the Leadville Mill.
The Leadville Mill reclamation estimate is $64,430 and the remaining $30,000 is for the
Hopemore Shaft. An Irrevocable Letter of Credit remains in place for $64,430 from the
Bank of Colorado of Yuma, CO for the Leadville Mill bond.