2017-01-25_REVISION - M1993059

• Permit No: M1993059
• IBM Index Class Name: REVISION
• Doc Date: 1/25/2017
• From: Eastern Colorado Aggregates
• To: DRMS
• Email Name: AME
• Media Type: D
• Archive: No

-PIN
EASTERN COLORADO AGGREGATES, L.L.L.P.
Main Office: P.O. Box 580 •Rye,CO 81069 Plant: P. 0. Box 307 •Holly, CO 81047
Phone:[phone] Fax[phone] Phone:[phone] Fax[phone]
January 16, 2017 RECEIVED
Ms. Amy Eschberger, Environmental Protection Specialist "AN 2 5 2017
Colorado Division of Reclamation, Mining and Safety
Department of Natural Resources DIVISION OF RECLAMATION
1313 Sherman St., Room 215 MINING AND SAFETY
Denver, Colorado 80203
Re: Midwestern Farms, Permit No. M-1993-059, Technical Revision No. 5, Adequacy Review No.
1—Eastern Colorado Aggregates Response.
Dear Ms. Amy Eschberger,
In reference your adequacy review dated November 9, 2016, please see our responses that
follow your outline items 1 through 25. We have also included the Midwestern letter accepting
the 49.2 acre un-reclaimed plant site for post mining industrial/commercial uses.
1. Pond Surface Area - Please revise the referenced sentence to say "The pond surface area
shall tie increase from the existing 94 to 94.5 acres, except by removing the material
separating the two ponds as described below and creating one pond."
2. Pond Slopes- Pond slopes will be reclaimed per the attached Exhibit E-1, E-2, E-3 and
Exhibit F—Reclamation Plan Map.
a. How does the operator intend to achieve these slope gradients below the water
line? - The ponds will be partially drained and slopes will be excavated to the
approved sections.
b. Will the lakes be dewatered? The ponds will be partially drained for excavation of
the slopes.
c. What equipment will be used to complete the final grading of the lake shorelines?
The work will be accomplished with a possible combination of the following, survey
equipment, pickup, service truck,transport truck and trailer, generator set, electric
or diesel pumps, excavator, swamp mats, dozer, loader and haul truck.
d. Please see our revised Exhibits E-1, E-2 cross sections, Exhibit E-3 map and Exhibit F
—Reclamation Plan Map which show the reclaimed shore line details as requested
by CPW.
3. 49.2 acre Industrial/Commercial post reclamation land use— Please see the attached
notarized letter from Mid-Western Farms which agrees to retain the 49.2 acre plant site in
its current un-reclaimed condition for post mining industrial/commercial uses.