Results 91 to 100 of about 815,128 (154)

Analysis of Pull-out Tests for Resin-Grouted Rib Bolts. [PDF]

open access: yesMin Metall Explor
Mohamed K   +4 more
europepmc   +1 more source

Remote Sensing Enables Basin-Scale Inventories of Coal Mine Methane. [PDF]

open access: yesEnviron Sci Technol
Penn E   +10 more
europepmc   +1 more source

Annual report.

open access: yes
Vols. for 1913-1940 called 1st-28th.Mode of access: Internet.Issued by the State Inspector of Coal Mines, 1913-39; by the Coal Mine Inspection Dept., 1940-59.Continued by: Colorado. Division of Mines. Coal.Continues: Colorado.
Colorado. Coal Mine Inspection Division. Coal.   +2 more
core  

Lehigh Coal and Navigation Company Records - Item 2596: Draft of the Great Coal Mine Near Mauch Chunk

open access: yes
This schematic shows a draft of the great Coal-Mine near Mauch Chunk exhibiting the various branches of the Rail-road leading from it and the situation of the workings on the 18 of July 1827.

core  

CMDPC_OBB: A Large-Scale Image Dataset for Coal Mine Drill Pipe Counting based on Oriented Bounding Box. [PDF]

open access: yesSci Data
Zhang F   +9 more
europepmc   +1 more source

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