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141
Wage structure in bituminous-coal mining, fall of 1945.
Subjects: “…Bituminous coal mines and mining United States.…”
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Government Document Online Book -
142
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143
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144
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145
Neutral start methods on mobile electrical equipment.
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Government Document Online Book -
146
Reissue of PIB No. P07-06 : guy wires of poles supporting high-voltage electric power lines.
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Government Document Online Book -
147
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148
Coal mine reclamation : federal and state agencies face challenges in managing billions in financial assurances : report to congressional requesters.
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Government Document Online Book -
149
Reissue of PIB No. P07-21 : clarification of requirements for conveyor belt system start-up warnings for 30 CFR ʹʹ 56.14201 and 57.14201.
Subjects: “…Coal mines and mining United States Safety measures. (uri)http://id.loc.gov/authorities/subjects/sh2009120480…”
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Government Document Online Book -
150
Recommendations for a new rock dusting standard to prevent coal dust explosions in intake airways /
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Government Document Online Book -
151
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152
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153
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154
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155
Operator respirable dust sampling requirements replaces PIB 09-31.
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Government Document Online Book -
156