Call Number (LC) Title Results
I 69.9:1050 Mine ventilation pressure differentials with a programmable hand calculator : a supplement to Bureau of Mines Information circulars 7809 and 8594 / 1
I 69.9:1051 Laboratory evaluation of the Leitz Tyndallometer TM-Digital / 1
I 69.9:1052 Cleaning out, sealing and mining through wells penetrating areas of active coal mines in northern West Virginia / 1
I 69.9:1053 Permissible electric face equipment and other mine equipment approved from January 1969 through December 1974 : a supplement to Bureau of Mines Bulletin 543, and Bureau of Mines Information Circulars 8220, 8299, 8372, and 8463 / 1
I 69.9:1054 Ventilation to control the smoke from a fireproof structure / 1
I 69.9:1055 Monitoring and warning instrumentation of pillar movements in salt / 1
I 69.9:1056 Noise control of an underground continuous miner, auger-type / 1
I 69.9:1057 Implementing remote sensing techniques for evaluating mine ground stability / 1
I 69.9:1058 Analysis of injuries associated with maintenance and repair in metal and nonmetal mines / 1
I 69.9:1059 Blowing versus exhausting face ventilation for respirable dust control on continuous mining sections / 1
I 69.9:1060 Compilation of judicial decisions which have an impact on coal mine inspections / 1
I 69.9:1061 Quantitating respirable dust levels generated during longwall mining operations / 1
I 69.9:1063 Mine rescue study report on Australian mine rescue systems and a discussion of American systems with recommendations / 1
I 69.9:1064 Comparison of respirable dust concentrations measured with personal gravimetric sampling instruments operated on-section and portal-to-portal / 1
I 69.9:1065 Coal mine injury and employment experience by occupation, 1972-75 / 1
I 69.9:1066 Mine ventilation digital simulation and analysis capabilities at MESA's Denver, Technical Support Center / 1
I 69.9:1067 Measurements of some of the factors which influence the radon daughter health hazard / 1
I 69.9:1068 Computerized slope stability analysis of refuse piles and impoundments by the simplified Bishop method. 1
I 69.9:1069 The use of a handheld programmable calculator to determine the explosibility of mine atmospheres and gas mixtures / 1
I 69.9:1070 Fan curve preparation using programmable pocket calculators / 1