Browse TRAIL Inventories

Diamond-drilling blast holes, eastern Magnetite Mine A

Blast-hole diamond drilling in California mines

Exploratory drilling practices and costs at western uranium deposits

Horizontal boring technology :a state-of-the-art study,

Determination of attitudes of joints surveyed with a borescope in inclined boreholes

Transducer preparation gage assembly of the Bureau of Mines three-component borehole deformation gage

Review of horizontal drilling technology for methane drainage from U.S. coalbeds

Site-specific and regional geologic considerations for coalbed gas drainage

Quartz dust sources during overburden drilling at surface coal mines

Probe-hole drilling :high-stress detection in coal


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