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United States
Poplar Grove Mine (Cypress Project)

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 Location:
28 km NE from Madisonville, Kentucky, United States

  Address:
373 Whobry Road
Rumsey
Kentucky, United States
42371
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Overview

StatusInactive / Suspended
Mine TypeUnderground
Commodities
  • Coal (thermal)
Mining Method
  • Continuous
  • Room-and-pillar
Production Start...
Mine Life25 years (as of Jan 1, 2019)
Poplar Grove Mine is a part of the Buck Creek Complex.

In February 2021, the United States Bankruptcy Court for the Western District of Kentucky confirmed Hartshorne’s plan of liquidation. In February 2021, the plan of liquidation became effective, and Hartshorne commenced the final stages of winding up the estates.

Hartshorne executed a liquidation trust agreement and transferred its remaining assets and liabilities to a liquidation trust, as well as assigning remaining critical contracts and insurance policies. Hartshorne funded the carve-out escrow with the majority of Hartshorne’s cash-on-hand and transferred any remaining cash to the liquidation trust. The Hartshorne entities were dissolved on the effective date. The remaining assets will be liquidated by the trustee over time.

There were no mining production activities during the March 2021 quarter.


Owners

 
CompanyInterestOwnership
Paringa Resources Ltd. Indirect
Hartshorne Mining LLC Indirect

Contractors

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Deposit Type

  • Sedimentary


Summary:

The WK No. 9 Seam is a well-known and highly productive seam in the Western Kentucky portion of the Illinois Basin, and, in conjunction with the WK No. 11 Seam, represents the overwhelming majority of production produced in the West Kentucky region.

In the area of the Buck Creek Complex, the rock strata above the WK No. 9 Seam generally consists of the Turner Mine Shale (“TMS”), a thin, black shale immediately above the coal which is overlain by the Canton Shale and Vermillionville Sandstone. Immediately below the WKY No. 9 Seam is claystone followed by shale and sandy shale.

Coal seam thickness of the WK No.11 seam averages 4.2 feet with clean coal quality characteristics similar to the Poplar Grove Mine’s WK No.9 seam. Mining conditions for the WK No.11 coal seam appear to be excellent with the immediate roof consisting of a thin black shale horizon overlain by limestone. The roof conditions in the WK No. 11 seam result in lower operating cost compared to the WK No. 9 because the density of roof support materials is less.

Both the WK No. 9 and No. 11 seams are relatively flat with a dip towards the northwest. The dip of the coal, because it is shallow, will not have an adverse impact on mine productivity.


Mining Methods

  • Continuous
  • Room-and-pillar


Summary:

Paringa utilises room and pillar operations at Poplar Grove, an efficient and low-cost mining method widely employed in coal mines around the world. Room and pillar mining is undertaken by continuous mining units (“Unit”), with each Unit consisting of two CMs and other ancillary equipment.

Mining began utilising the two CMs which form Unit 1, with ramp-up activities progressing well and productivity increasing. Construction of the ventilation overcasts are complete and the split ventilation system is commissioned, enabling the concurrent operation of both CMs in Unit 1. Regulatory approval has also been received for an extended cut plan for Unit 1.

Unit 2 entered production in July 2019 and the split ventilation system has also been completed, enabling the concurrent operation of two continuous miners in Unit 2, taking the total number of CMs in operation to four and significantly increasing the total quantity of coal mined per shift of operation. Unit 2 will progressively ramp-up over the coming months, with testing activities for the Unit 2 extended cut plan underway.

Paringa plans to operate three Units at Poplar Grove, with each Unit projected to produce approximately 0.9 Mt tons of clean coal per annum at full capacity. Unit 3 is scheduled for commissioning in 2020, enabling total Poplar Grove production of up to 2.8 Mtpa of clean coal on an annualised run-rate basis.


Crushing and Grinding


Processing

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Summary:

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Production:

CommodityUnits2019
Coal (thermal) k tons  ......  Subscription required
All production numbers are expressed as clean coal.
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Operational Metrics:

Metrics2019
Coal tonnes mined 85.6 k tons of ROM coal

Reserves at June 30, 2019:
Mineral Resources and Ore Reserves statement has been reported for Buck Creek Complex including Poplar Grove mine and Cypress Project.

CategoryTonnage CommodityContained Metal
Proven 44.3 M tons Coal (thermal) 33.9 M tons
Probable 91.4 M tons Coal (thermal) 70 M tons
Proven & Probable 135.7 M tons Coal (thermal) 103.8 M tons
Measured 103 M tons Coal (thermal)
Indicated 227.3 M tons Coal (thermal)
Measured & Indicated 330.3 M tons Coal (thermal)


Pipelines
TypeMaterialDiameterLengthDescription


Heavy Mobile Equipment:
HME TypeQuantityRef. Date
Bolter ....................... Subscription required Jun 30, 2019
Continuous Miner ....................... Subscription required Sep 26, 2019
Feeder Breaker ....................... Subscription required Jun 30, 2019
Scoop Tram ....................... Subscription required Jun 30, 2019
Truck (haul) ....................... Subscription required Jun 30, 2019
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Staff:

Total WorkforceYear
Subscription required 2019

Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Annual Report 2018
Form 20-F 2018
Annual Report 2017
Feasibility Study Report 2017
Feasibility Study Report 2016
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