Keystone

Keystone
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Year	Operation Name	Type	Opening	District	City	County	Company Name	Railroad Shipments (tons)	Railroad to Mine	Truck Shipments (tons)	Total Production (tons)	Days Worked	Employees	Notes
1886	Keystone	Colliery	Slope / Drifts	2	Plains Twp.	Luzerne	Keystone Coal Co.	2,457		0	2,607	17	110
1887	Keystone	Colliery	Slope / Tunnel	2	Plains Twp.	Luzerne	Keystone Coal Co.	89,599		0	89,786	258	250
1888	Keystone	Colliery	Slope / Tunnel	2	Plains Twp.	Luzerne	Keystone Coal Co.	118,469		0	119,018	250	336
1889	Keystone	Colliery	Slope / Tunnel	2	Plains Twp.	Luzerne	Keystone Coal Co.	100,325		0	102,301	162	366
1890	Keystone	Colliery	Slope	2	Plains Twp.	Luzerne	Keystone Coal Co.	94,384		0	95,498	175	269
1891	Keystone	Colliery	Slope	3	Plains Twp.	Luzerne	Keystone Coal Co.	99,040		0	99,742	202	282
1892	Keystone	Colliery	Slope	3	Plains Twp.	Luzerne	Keystone Coal Co.	106,387		0	107,256	187	320
1893	Keystone	Colliery	Slope	3	Plains Twp.	Luzerne	Keystone Coal Co.	89,976		0	90,773	178	271
1894	Keystone	Colliery	Shaft / Slope	3	Plains Twp.	Luzerne	Keystone Coal Co.	94,820		0	102,964	161	328
1930	Keystone	Colliery		10	Plains Twp.¹	Luzerne	John Conlon Coal Co.	30,264	Erie	0	30,264	198	114	Coal prepared at Madiera Colliery.
1931	Keystone	Colliery		10	Plains Twp.¹	Luzerne	John Conlon Coal Co.	48,270		0	48,270	221	98
1932	Keystone	Colliery		10	Plains Twp.¹	Luzerne	John Conlon Coal Co.	78,107		0	78,107	235	289
1933	Keystone	Colliery		10	Plains Twp.¹	Luzerne	John Conlon Coal Co.	117,158		0	117,158	233	335
1933	Keystone	Colliery		10	Plains Twp.¹	Luzerne	Yatesville Coal Co.	2,252		0	2,252	69	35
1934	Keystone	Colliery		10	Plains Twp.¹	Luzerne	John Conlon Coal Co.	78,504		0	78,504	231	296
1934	Keystone	Stripping		10	Plains Twp.¹	Luzerne	John Conlon Coal Co.	7,263		0	7,263
1935	Keystone	Colliery		10	Plains Twp.¹	Luzerne	John Conlon Coal Co.	86,691		0	86,691	259	233
1936	Keystone	Colliery		10	Plains Twp.¹	Luzerne	John Conlon Coal Co.	93,229		0	116,608	258	212
1937	Keystone	Colliery		10	Plains Twp.¹	Luzerne	John Conlon Coal Co.	24,083		0	24,083	58	216
1944	Keystone	Bank		10	Plains Twp.¹	Luzerne	B. & M. Construction	9,677		0	9,677	113	5
1945	Keystone	Bank		10	Plains Twp.¹	Luzerne	B. & M. Construction	0	Truck¹	146	146	26	5	Bank coal.
1945	Keystone	Bank		10	Plains Twp.¹	Luzerne	Walsh & Harris	0	Truck¹	4,459	4,459	39	6
1956	Keystone	Bank		10	Plains Twp.¹	Luzerne	Capone Coal Co.	0	Truck¹	3,366	3,366	14	0	Shipped to United Gas Improvement Co. Hunlock Plant and used as received.
1957	Keystone	Colliery		10	Plains Twp.¹	Luzerne	Conlon Coal Co.	457		210	1,757	56	5	Mined to exhaustion, March 1957.
1957	Keystone	Bank		10	Plains Twp.¹	Luzerne	Conlon Coal Co.	3,819		0	4,181	52	3

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