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2015-12-24_REPORT - M1984041
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2015-12-24_REPORT - M1984041
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Last modified
3/29/2017 9:38:41 AM
Creation date
12/29/2015 8:31:58 AM
Metadata
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Template:
DRMS Permit Index
Permit No
M1984041
IBM Index Class Name
REPORT
Doc Date
12/24/2015
From
American Gypsym Company LLC
To
DRMS
Annual Report Year
2015
Permit Index Doc Type
Annual Fee/Report
Email Name
THM
Media Type
D
Archive
No
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EXHIBIT "B" <br />SUMMARY OF 2015 ACTIVITIES <br />The 2015 annual report mine map has been updated to a computer based Autocad <br />format. Horizontal and vertical survey control has been updated to NAD83 State Plane <br />(Colorado Central) and NAVD88 coordinate systems respectively. A USGS benchmark <br />located a few hundred yards Northwest of the ore stockpile will serve as primary control <br />for all future survey and location purposes. <br />A new Mine Manager is now responsible for the Colorado DRMS annual report <br />submittal, and some of the reclamation areas have been updated. The new map format <br />and coordinate system should allow for better reclamation accounting from year to year. <br />Essential information has been included in the 2015 map submittal; however additional <br />updates and information will be added to the 2016 map submittal as it becomes available. <br />No reclamation hydro -seeding was conducted in 2015. A reduction in ore <br />recovery, and the subsequent increase in waste rock, created a need for additional backfill <br />space behind the active pit. Several acres of backfill and waste dumps are expected to be <br />graded, topsoiled, and hydro -seeded in 2016. <br />Haul roads were treated with an environmentally friendly (polymer based - <br />chloride free) dust suppressant in 2015 and road base material was also replaced on worn <br />areas of the haul road. The SLR (Synthetic Lignosulfate Replacement) and Polymer <br />based dust suppressant products were applied the last two years, with mixed results. <br />Traditional Lignosulfate will be the primary dust suppressant applied in 2016; a product <br />that was utilized 2 years ago producing good results. <br />2015. <br />Approximately 425,000 tons of gypsum rock were shipped from the mine during <br />2 <br />
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