Improved drilling of coal measure rocks for underground mine void detection and exploration programs

Watson, Pamela J.; Tuzinski, Patrick A.; Pahlman, J. E. (John E.)

i

Improved drilling of coal measure rocks for underground mine void detection and exploration programs

Public Domain

1991
By Watson, Pamela J. ; Tuzinski, Patrick A. ; Pahlman, J. E. (John E.)
Series: NIOSH Numbered Publications

File Language:

English

Details

Personal Author:

Watson, Pamela J. ; Tuzinski, Patrick A. ; Pahlman, J. E. (John E.)
Corporate Authors:

United States. Bureau of Mines
Subjects:

Abandoned Coal Mines. Coal-cutting Bits. Mine Surveying. Polyethylene Oxide.
Series:

NIOSH Numbered Publications
Subseries:

Report of Investigations
Document Type:

Text
Genre:

Report
CIO:

National Institute for Occupational Safety and Health (NIOSH)
Pages in Document:

28 numbered pages
NIOSHTIC Number:

nn:na
Collection(s):

National Institute for Occupational Safety and Health
Main Document Checksum:

urn:sha-512:9bf71d9a6797bcc3c0b50c967809381a9614d35851053b8efb501ec90a5e48955af0eadae806df7689d995c32c200af407c48f72b90e40667bfb7e32ec19905f
Download URL:

https://stacks.cdc.gov/view/cdc/10160/cdc_10160_DS1.pdf
File Type:

[PDF - 1.88 MB ]

File Language:

English

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