Coal,
Ronaldson, James Henry.
Coal, by J. H. Ronaldson, with 12 maps and 2 diagrams. - London, John Murray, 1920. - ix, 1, 166 p. maps, tables. 22 cm. - Great Britain. Imperial institute. Mineral resources committee. Monograph on mineral resources, with special reference to the British Empire .
Prepared under the direction of the Mineral resources committee of the Imperial institute, with the assistance of the scientific and technical staff.
"References to literature on coal": p. 160-166.
gs 21000054
Coal.
TN808.G6 / R7
Coal, by J. H. Ronaldson, with 12 maps and 2 diagrams. - London, John Murray, 1920. - ix, 1, 166 p. maps, tables. 22 cm. - Great Britain. Imperial institute. Mineral resources committee. Monograph on mineral resources, with special reference to the British Empire .
Prepared under the direction of the Mineral resources committee of the Imperial institute, with the assistance of the scientific and technical staff.
"References to literature on coal": p. 160-166.
gs 21000054
Coal.
TN808.G6 / R7