|
|
|
|
He 20. 7131 : 8886
|
|
|
|
New bag nozzle to reduce dust from fluidized air bag machines [electronic resource] / by Andrew B. Ce
HE 20.7131:8886
;
Axe Federal Documents Online:Available
|
|
1984
|
|
New bag nozzle to reduce dust from fluidized air bag machines [electronic resource] / by Andrew B. Ce
Axe Federal Documents Online:Available
|
|
1984
|
|
|
He 20. 7131 : 8888
|
|
|
|
Overlap probability for short-period-delay detonators used in underground coal mining [electronic res
HE 20.7131:8888
;
Axe Federal Documents Online:Available
|
|
1985
|
|
Overlap probability for short-period-delay detonators used in underground coal mining [electronic res
Axe Federal Documents Online:Available
|
|
1985
|
|
|
He 20. 7131 : 8985
|
|
|
|
Methane control on longwalls with cross-measure boreholes (Lower Kittanning coalbed) [electronic reso
HE 20.7131:8985
;
Axe Federal Documents Online:Available
|
|
1985
|
|
Methane control on longwalls with cross-measure boreholes (Lower Kittanning coalbed) [electronic reso
Axe Federal Documents Online:Available
|
|
1985
|
|
|
He 20. 7131 : 8986
|
|
|
|
Measuring formation pressures and the degree of gas drainage in a large coalbed gas drainage field [e
HE 20.7131:8986
;
Axe Federal Documents Online:Available
|
|
1985
|
|
Measuring formation pressures and the degree of gas drainage in a large coalbed gas drainage field [e
Axe Federal Documents Online:Available
|
|
1985
|
|
|
He 20. 7131 : 8987
|
|
|
|
Reducing hazards in underground coal mines through the recognition and delineation of coalbed discont
HE 20.7131:8987
;
Axe Federal Documents Online:Available
|
|
1985
|
|
Reducing hazards in underground coal mines through the recognition and delineation of coalbed discont
Axe Federal Documents Online:Available
|
|
1985
|
|
|
He 20. 7131 : 9013
|
|
|
|
Comparisons between cross-measure boreholes and surface gob holes [electronic resource] / by T.W. Goo
HE 20.7131:9013
;
Axe Federal Documents Online:Available
|
|
1986
|
|
Comparisons between cross-measure boreholes and surface gob holes [electronic resource] / by T.W. Goo
Axe Federal Documents Online:Available
|
|
1986
|
|
|
He 20. 7131 : 9060
|
|
|
|
Clay veins [electronic resource] : their occurrence, characteristics, and support / by Frank E. Chase
HE 20.7131:9060
;
Axe Federal Documents Online:Available
|
|
1987
|
|
Clay veins [electronic resource] : their occurrence, characteristics, and support / by Frank E. Chase
Axe Federal Documents Online:Available
|
|
1987
|
|
|
He 20. 7131 : 9063
|
|
|
|
Methane contents of oil shale from the Piceance Basin, CO [electronic resource] / by S.J. Schatzel ..
HE 20.7131:9063
;
Axe Federal Documents Online:Available
|
|
1987
|
|
Methane contents of oil shale from the Piceance Basin, CO [electronic resource] / by S.J. Schatzel ..
Axe Federal Documents Online:Available
|
|
1987
|
|
|
He 20. 7131 : 9143
|
|
|
|
Protective structures for low-coal shuttle car operator [electronic resource] / John R. Bartels, Augu
HE 20.7131:9143
;
Axe Federal Documents Online:Available
|
|
1987
|
|
Protective structures for low-coal shuttle car operator [electronic resource] / John R. Bartels, Augu
Axe Federal Documents Online:Available
|
|
1987
|
|
|
He 20. 7131 : 9177
|
|
|
|
Horizontal trajectories of rotary-drilled holes [electronic resource] / by Tobias W. Goodman and Jose
HE 20.7131:9177
;
Axe Federal Documents Online:Available
|
|
1988
|
|
Horizontal trajectories of rotary-drilled holes [electronic resource] / by Tobias W. Goodman and Jose
Axe Federal Documents Online:Available
|
|
1988
|
|
|
He 20. 7131 : 9301
|
|
|
|
Field verification of load transfer mechanics of fully grouted roof bolts [electronic resource] / by
HE 20.7131:9301
;
Axe Federal Documents Online:Available
|
|
1990
|
|
Field verification of load transfer mechanics of fully grouted roof bolts [electronic resource] / by
Axe Federal Documents Online:Available
|
|
1990
|
|
|
He 20. 7131 : 9407
|
|
|
|
Remote fiber-optic methane monitor [electronic resource] / by T.H. Dubaniewicz, Jr., and J.E. Chilton
HE 20.7131:9407
;
Axe Federal Documents Online:Available
|
|
1992
|
|
Remote fiber-optic methane monitor [electronic resource] / by T.H. Dubaniewicz, Jr., and J.E. Chilton
Axe Federal Documents Online:Available
|
|
1992
|
|
|
He 20. 7131 : 9409
|
|
|
|
Calculation of vertical stress exerted by topographic features [electronic resource] / by Valois R. S
HE 20.7131:9409
;
Axe Federal Documents Online:Available
|
|
1992
|
|
Calculation of vertical stress exerted by topographic features [electronic resource] / by Valois R. S
Axe Federal Documents Online:Available
|
|
1992
|
|
|
He 20. 7131 : 9415
|
|
|
|
Cause of floor self-heatings in an underground coal mine [electronic resource] / by Y. Miron, C.P. La
HE 20.7131:9415
;
Axe Federal Documents Online:Available
|
|
1992
|
|
Cause of floor self-heatings in an underground coal mine [electronic resource] / by Y. Miron, C.P. La
Axe Federal Documents Online:Available
|
|
1992
|
|
|
He 20. 7131 : 9499
|
|
|
|
Self-contained self-rescuer field evaluation [electronic resource] : fourth-phase results / by N. Kyr
HE 20.7131:9499
;
Axe Federal Documents Online:Available
|
|
1994
|
|
Self-contained self-rescuer field evaluation [electronic resource] : fourth-phase results / by N. Kyr
Axe Federal Documents Online:Available
|
|
1994
|
|
|
He 20. 7131 : 9500
|
|
|
|
Evaluation of alternative placement of longwall gob gas ventholes for optimum performance [electronic
HE 20.7131:9500
;
Axe Federal Documents Online:Available
|
|
1994
|
|
Evaluation of alternative placement of longwall gob gas ventholes for optimum performance [electronic
Axe Federal Documents Online:Available
|
|
1994
|
|
|
He 20. 7131 : 9527
|
|
|
|
Effective hazard recognition training using a latent-image, three-dimensional slide simulation exerci
HE 20.7131:9527
;
Axe Federal Documents Online:Available
|
|
1995
|
|
Effective hazard recognition training using a latent-image, three-dimensional slide simulation exerci
Axe Federal Documents Online:Available
|
|
1995
|
|
|
He 20. 7131 : 9585
|
|
|
|
Gel sealants for the mitigation of spontaneous heatings in coal mines [electronic resource] / by Yael
HE 20.7131:9585
;
Axe Federal Documents Online:Available
|
|
1995
|
|
Gel sealants for the mitigation of spontaneous heatings in coal mines [electronic resource] / by Yael
Axe Federal Documents Online:Available
|
|
1995
|
|
|
He 20. 7131 : 9599
|
|
|
|
Environmental impacts of cemented mine waste backfill [electronic resource] / R.L. Levens, A.D. Marcy
HE 20.7131:9599
;
Axe Federal Documents Online:Available
|
|
1996
|
|
Environmental impacts of cemented mine waste backfill [electronic resource] / R.L. Levens, A.D. Marcy
Axe Federal Documents Online:Available
|
|
1996
|
|
|
He 20. 7131 : 9625
|
|
|
|
Using ground penetrating radar for roof hazard detection in underground mines [electronic resource] /
HE 20.7131:9625
;
Axe Federal Documents Online:Available
|
|
1996
|
|
Using ground penetrating radar for roof hazard detection in underground mines [electronic resource] /
Axe Federal Documents Online:Available
|
|
1996
|
|
|
He 20. 7131 : 9626
|
|
|
|
A 20-liter furnace test method to determine the combustion gas toxicity on conveyer belts [electronic
HE 20.7131:9626
;
Axe Federal Documents Online:Available
|
|
1996
|
|
A 20-liter furnace test method to determine the combustion gas toxicity on conveyer belts [electronic
Axe Federal Documents Online:Available
|
|
1996
|
|
|
He 20. 7131 : 9632
|
|
|
|
Secondary explosion hazards during blasting in oil shale and sulfide ore mines [electronic resource]
HE 20.7131:9632
;
Axe Federal Documents Online:Available
|
|
1995
|
|
Secondary explosion hazards during blasting in oil shale and sulfide ore mines [electronic resource]
Axe Federal Documents Online:Available
|
|
1995
|
|
|
He 20. 7131 : 9634
|
|
|
|
Evaluation of polymer construction material and water trap designs for underground coal mine seals [e
HE 20.7131:9634
;
Axe Federal Documents Online:Available
|
|
1996
|
|
Evaluation of polymer construction material and water trap designs for underground coal mine seals [e
Axe Federal Documents Online:Available
|
|
1996
|
|
|
He 20. 7131 : 9635
|
|
|
|
Self-contained self-rescuer field evaluation [electronic resource] : fifth-phase results / by Nichola
HE 20.7131:9635
;
Axe Federal Documents Online:Available
|
|
1996
|
|
Self-contained self-rescuer field evaluation [electronic resource] : fifth-phase results / by Nichola
Axe Federal Documents Online:Available
|
|
1996
|
|
|
He 20. 7131 : 9642
|
|
|
|
Accurate navigation and control of continuous mining machines for coal mining [electronic resource] /
HE 20.7131:9642
;
Axe Federal Documents Online:Available
|
|
1997
|
|
Accurate navigation and control of continuous mining machines for coal mining [electronic resource] /
Axe Federal Documents Online:Available
|
|
1997
|
|
|
He 20. 7131 : 9643
|
|
|
|
Full-scale testing of the float dust deposition meter [electronic resource] / Robert A. Cortese and H
HE 20.7131:9643
;
Axe Federal Documents Online:Available
|
|
1998
|
|
Full-scale testing of the float dust deposition meter [electronic resource] / Robert A. Cortese and H
Axe Federal Documents Online:Available
|
|
1998
|
|
|
He 20. 7131 : 9644
|
|
|
|
Model for the structure of round-strand wire ropes [electronic resource] / Richard C. Wang, Anthony
HE 20.7131:9644
;
Axe Federal Documents Online:Available
|
|
1998
|
|
Model for the structure of round-strand wire ropes [electronic resource] / Richard C. Wang, Anthony
Axe Federal Documents Online:Available
|
|
1998
|
|
|
He 20. 7131 : 9645
|
|
|
|
Investigation of coal properties and airborne respirable dust generation [electronic resource] / John
HE 20.7131:9645
;
Axe Federal Documents Online:Available
|
|
1998
|
|
Investigation of coal properties and airborne respirable dust generation [electronic resource] / John
Axe Federal Documents Online:Available
|
|
1998
|
|
|
He 20. 7131 : 9646
|
|
|
|
Concluding evaluation of a continuous haulage guidance sensor [electronic resource] / John J. Sammarc
HE 20.7131:9646
;
Axe Federal Documents Online:Available
|
|
1998
|
|
Concluding evaluation of a continuous haulage guidance sensor [electronic resource] / John J. Sammarc
Axe Federal Documents Online:Available
|
|
1998
|
|
|
He 20. 7131 : 9647
|
|
|
|
Evaluation of reinforced cementitious seals [electronic resource] / Eric S. Weiss ... [et al].
HE 20.7131:9647
;
Axe Federal Documents Online:Available
|
|
1999
|
|
Evaluation of reinforced cementitious seals [electronic resource] / Eric S. Weiss ... [et al].
Axe Federal Documents Online:Available
|
|
1999
|
|
|
He 20. 7131 : 9649
|
|
|
|
Prediction of longwall methane emissions [electronic resource] : an evaluation of the influence of mi
HE 20.7131:9649
;
Axe Federal Documents Online:Available
|
|
1999
|
|
Prediction of longwall methane emissions [electronic resource] : an evaluation of the influence of mi
Axe Federal Documents Online:Available
|
|
1999
|
|
|
He 20. 7131 : 9651
|
|
|
|
Material properties affecting the stability of a 50-year-old rock dump in an active mine [electronic
HE 20.7131:9651
;
Axe Federal Documents Online:Available
|
|
1999
|
|
Material properties affecting the stability of a 50-year-old rock dump in an active mine [electronic
Axe Federal Documents Online:Available
|
|
1999
|
|
|
He 20. 7131 : 9653
|
|
|
|
Economics of safety at surface mine spoil piles [electronic resource] / Thomas W. Camm.
HE 20.7131:9653
;
Axe Federal Documents Online:Available
|
|
2000
|
|
Economics of safety at surface mine spoil piles [electronic resource] / Thomas W. Camm.
Axe Federal Documents Online:Available
|
|
2000
|
|
|
He 20. 7131 : 9656
|
|
|
|
Self-contained self-rescuer field evaluation [electronic resource] : seventh-phase results / Nicholas
HE 20.7131:9656
;
Axe Federal Documents Online:Available
|
|
2002
|
|
Self-contained self-rescuer field evaluation [electronic resource] : seventh-phase results / Nicholas
Axe Federal Documents Online:Available
|
|
2002
|
|
|
He 20. 7131 : 9657
|
|
|
|
Recommendations for testing radar-based collision warning systems on heavy equipment [electronic reso
HE 20.7131:9657
;
Axe Federal Documents Online:Available
|
|
2002
|
|
Recommendations for testing radar-based collision warning systems on heavy equipment [electronic reso
Axe Federal Documents Online:Available
|
|
2002
|
|
|
He 20. 7131 : 9658
|
|
|
|
Drill monitor with strata strength classification in near-real time [electronic resource] / Walter K.
HE 20.7131:9658
;
Axe Federal Documents Online:Available
|
|
2002
|
|
Drill monitor with strata strength classification in near-real time [electronic resource] / Walter K.
Axe Federal Documents Online:Available
|
|
2002
|
|
|
He 20. 7131 : 9659
|
|
|
|
Evaluation of explosion-resistant seals, stoppings, and overcast for ventilation control in undergrou
HE 20.7131:9659
;
Axe Federal Documents Online:Available
|
|
2002
|
|
Evaluation of explosion-resistant seals, stoppings, and overcast for ventilation control in undergrou
Axe Federal Documents Online:Available
|
|
2002
|
|
|
He 20. 7131 : 9660
|
|
|
|
Evaluation of systems to monitor blind areas behind trucks used in road construction and maintenance
HE 20.7131:9660
;
Axe Federal Documents Online:Available
|
|
2003
|
|
Evaluation of systems to monitor blind areas behind trucks used in road construction and maintenance
Axe Federal Documents Online:Available
|
|
2003
|
|
|
He 20. 7131 : 9661
|
|
|
|
Geophysical methods to detect stress in underground mines [electronic resource] / Douglas F. Scott ..
HE 20.7131:9661
;
Axe Federal Documents Online:Available
|
|
2004
|
|
Geophysical methods to detect stress in underground mines [electronic resource] / Douglas F. Scott ..
Axe Federal Documents Online:Available
|
|
2004
|
|
|
He 20. 7131 : 9662
|
|
|
|
Evaluation of instrumented cable bolts in cement grout to determine physical and numerical modeling p
HE 20.7131:9662
;
Axe Federal Documents Online:Available
|
|
2004
|
|
Evaluation of instrumented cable bolts in cement grout to determine physical and numerical modeling p
Axe Federal Documents Online:Available
|
|
2004
|
|
|
He 20. 7131 : 9664
|
|
|
|
Tell me a story [electronic resource] : why stories are essential to effective safety training / Elai
HE 20.7131:9664
;
Axe Federal Documents Online:Available
|
|
2005
|
|
Tell me a story [electronic resource] : why stories are essential to effective safety training / Elai
Axe Federal Documents Online:Available
|
|
2005
|
|
|
He 20. 7131 : 9665
|
|
|
|
Temperature corrections to earth pressure cells embedded in cemented backfill [electronic resource] /
HE 20.7131:9665
;
Axe Federal Documents Online:Available
|
|
2006
|
|
Temperature corrections to earth pressure cells embedded in cemented backfill [electronic resource] /
Axe Federal Documents Online:Available
|
|
2006
|
|
|
He 20. 7131 : 9666
|
|
|
|
Applications of ground-based radar to mine slope monitoring [electronic resource] / Edward L. McHugh
HE 20.7131:9666
;
Axe Federal Documents Online:Available
|
|
2006
|
|
Applications of ground-based radar to mine slope monitoring [electronic resource] / Edward L. McHugh
Axe Federal Documents Online:Available
|
|
2006
|
|
|
He 20. 7131 : 9667
|
|
|
|
Effectiveness of selected diesel particulate matter control technologies for underground mining appli
HE 20.7131:9667
;
Axe Federal Documents Online:Available
|
|
2006
|
|
Effectiveness of selected diesel particulate matter control technologies for underground mining appli
Axe Federal Documents Online:Available
|
|
2006
|
|
|
He 20. 7131 : 9668
|
|
|
|
Effectiveness of selected diesel particulate matter control technologies for underground mining appli
HE 20.7131:9668
;
Axe Federal Documents Online:Available
|
|
2006
|
|
Effectiveness of selected diesel particulate matter control technologies for underground mining appli
Axe Federal Documents Online:Available
|
|
2006
|
|
|
He 20. 7131 : 9670
|
|
|
|
Lower respirable dust and noise exposure with an open structure design [electronic resource] / Andrew
HE 20.7131:9670
;
Axe Federal Documents Online:Available
|
|
2006
|
|
Lower respirable dust and noise exposure with an open structure design [electronic resource] / Andrew
Axe Federal Documents Online:Available
|
|
2006
|
|
|
He 20. 7131 : 9671
|
|
|
|
Self-contained self-rescuer long term field evaluation [electronic resource] : combined eighth and ni
HE 20.7131:9671
;
Axe Federal Documents Online:Available
|
|
2006
|
|
Self-contained self-rescuer long term field evaluation [electronic resource] : combined eighth and ni
Axe Federal Documents Online:Available
|
|
2006
|
|
|
He 20. 7131 : 9672
|
|
|
|
Recommendations for evaluating and implementing proximity warning systems on surface mining equipment
HE 20.7131:9672
;
Axe Federal Documents Online:Available
|
|
2007
|
|
Recommendations for evaluating and implementing proximity warning systems on surface mining equipment
Axe Federal Documents Online:Available
|
|
2007
|
|
|
He 20. 7131 : 9673
|
|
|
|
Strengthening existing 20-psi mine ventilation seals with carbon fiber-reinforced polymer reinforceme
HE 20.7131:9673
;
Axe Federal Documents Online:Available
|
|
2008
|
|
Strengthening existing 20-psi mine ventilation seals with carbon fiber-reinforced polymer reinforceme
Axe Federal Documents Online:Available
|
|
2008
|
|
|
He 20. 7131 : 9674
|
|
|
|
Performance of a polyurethane core seal tested in a hydrostatic chamber [electronic resource] / by De
HE 20.7131:9674
;
Axe Federal Documents Online:Available
|
|
2008
|
|
Performance of a polyurethane core seal tested in a hydrostatic chamber [electronic resource] / by De
Axe Federal Documents Online:Available
|
|
2008
|
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