M. B. Coal Co.

M. B. Coal Co.
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Year	Operation Name	Type	District	City	County	Company Name	Railroad Shipments (tons)	Railroad to Mine	Truck Shipments (tons)	Total Production (tons)	Days Worked	Employees	Notes
1947	MB	Mine	6	Dupont²	Luzerne	M. B. Coal Co.	3,220		0	3,220	203	10	Coal prepared at No. 14 Breaker.
1948	MB	Mine	6	Dupont²	Luzerne	M. B. Coal Co.	7,758		0	7,758	235	12	Coal prepared at No. 14 Breaker.
1949	MB	Mine	6	Dupont²	Luzerne	M. B. Coal Co.	1,644		0	1,644	100	5	Coal prepared at Morgan and No. 14 breakers.
1950	MB	Mine	6	Dupont²	Luzerne	M. B. Coal Co.	0	Truck¹	4,148	4,148	205	7	Coal prepared at Morgan Breaker.
1951	MB	Mine	6	Dupont²	Luzerne	M. B. Coal Co.	2,483		0	3,104	204	5	Coal prepared at Morgan Breaker.

Note 1: Added, does not appear in the mine inspection report.

Note 2: From a list of Anthracite Operators. This may not be the operation location.