Underground mine communications (in four parts). 4. Section-to-place communications.
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, IC 8745, 1977 Jan; :1-80
This Bureau of Mines report on underground mine communications addresses methods and equipment to meet the communication requirements of working sections and places of coal and metal- nonmetal mines. A review of the status of trapped miner detection is also presented.
Mining-industry; Mining-equipment; Underground-mining; Mine-rescue; Mine-disasters
IH; Information Circular
NTIS Accession No.
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, IC 8745