Methane and Dust Controls for Longwalls: Pocahontas No. 3 Coalbed, Grundy, Va.

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Methane and Dust Controls for Longwalls: Pocahontas No. 3 Coalbed, Grundy, Va.

Public Domain

01/01/1974

Details

Description:

The periphery of longwall panels in the Pocahontas No. 3 Coalbed is characterized by a zone of reduced permeability that inhibits the natural drainage of methane. However, natural drainage holes drilled during development have been found to reduce the g...
Document Type:

Report
CIO:

NIOSH
Division:

NIOSH Mining
Location:

North America
NIOSHTIC Number:

nn:na
Collection(s):

National Institute for Occupational Safety and Health
Main Document Checksum:

urn:sha-512:687468ba2af8e1663f8a25156d19db02110f8a27516eca2d5b4b6e983505d93fec60e2cdd337d79a2166175a5699d1c67144bd4f698a774f9f53293dc820dea4
Download URL:

https://stacks.cdc.gov/view/cdc/161680/cdc_161680_DS1.pdf
File Type:

[PDF - 1.10 MB ]

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