. Bulletin. ?ri> ... \ Figure 31.—Section through Auchincloss mine near Nanticoke, Pa., showing the great overturn in the lower beds. Some results of analyses of return air in the Auchincloss mine,made in 1909 by H. J. Force, chemist of the company, are reportedas follows: Results of analyses of return-air samples collected October and November, 1909, in Auchin-closs mine. Shaft. Return. Date. Propor-tion ofmethane insample. Date. Propor-tion ofmethane insample. No 1 1909Oct. Per 1909 Per a nt. Do Do ...do Do ...do No. 2 West Mills Nov. Nov. 3
. Bulletin. ?ri> ... \ Figure 31.—Section through Auchincloss mine near Nanticoke, Pa., showing the great overturn in the lower beds. Some results of analyses of return air in the Auchincloss mine,made in 1909 by H. J. Force, chemist of the company, are reportedas follows: Results of analyses of return-air samples collected October and November, 1909, in Auchin-closs mine. Shaft. Return. Date. Propor-tion ofmethane insample. Date. Propor-tion ofmethane insample. No 1 1909Oct. Per 1909 Per a nt. Do Do ...do Do ...do No. 2 West Mills Nov. Nov. Do East Mills .1 Do ...do .8 Do ...do .6 Do ...do Do. ...do .1 GAS IN NORTHERN PENNSYLVANIA ANTHRACITE FIELD. 159 Several samples taken in March, 1912, by H. I. Smith wereanalyzed in the Pittsburgh laboratories of the Bureau of Mines withthe following results: Results of analyses of return-air samples collected in March, 1912, from the Auchincloss mine. [G. A. Burre
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectminesandmineralresou
