Production:0755

year	DMM	operator	address	production	cumulative	opening	depth	seam	thickness	method	days	emp	worked
1882		Union Coal Co.	Peru	150,521		shaft	276/420	#5/#2	5/3.5		12 mo	320	85 of 550
1883				83,190		shaft	276/410	#5/#2	3.5		12 mo	189	106 of 550
1884			La Salle	56,415		shaft	276	#2	5	RP	150	159-179
1885			Peru	110,102		shaft	460	#2	3.5	LW	300	130-150
1886		2nd vein		30,977		shaft	315	#5	5.5	RP	200	80
1886		3rd vein		61,952		shaft	460	#2	3.5	LW	286	75-120
1887				83,079		shaft	460		3.5	LW	300	170-220
1888				102,835							300	230-263
1889				78,162							260	250-300
1890				57,764							210	144-297
1891				104,696		shaft	394	#2	3.5	LW	270	160-207
1892				125,284		shaft	394	#2	3.5	LW	254	210-275
1893				149,228	1,194,205	shaft	394	#2	3.5	LW	245	216-237
1894		LaSalle County Carbon		112,914		shaft	394	#2	3.5	LW	175	295
1895		Coal Co., Union Mine	La Salle	103,496		shaft	394	#2	3.5	LW	146	260-315
1896				114,594		shaft	390		3.5	LW	162	247-348
1897				96,537		shaft	390		3.5	LW	126	263
1898				74,196		shaft	390	#2	3.5		123	230
1899				89,752		shaft	375	#2	3.5		217	111
1900				162,064			375		3.5	LW	270	225
1901				153,655							256	265
1902				172,124							274	242
1903				182,107		shaft	375	#2	3.5	LW	282	290
1904				166,085		shaft	375	#2	3.5	LW	250	266
1905				162,602		shaft	375	#2	3.5	LW	260	250
1906				150,664		shaft	375	#2	3.5	LW	218	243
1907				170,824		shaft	375	#2	3.5	LW	261	257
1908				145,809		shaft	375	#2	3.5	LW	245	224
1909				142,139		shaft	375	#2	3.5	LW	213	335
1910			Peru	115,454		shaft	390	#2	3.5	RP	212	210
1911				91,277		shaft	390	#2	3.5	RP	180	215
1912			La Salle	99,036		shaft	400	#2	3.33	LW	194	177
1913				79,891		shaft	400	#2	3.33	LW	185	142
1914				96,494		shaft	400	#2	3.5	LW	188	162
1915				77,873		shaft	400	#2	3.5	LW	135	169
1916				120,993		shaft	398	#2	3.5	LW	200	251
1917				97,589		shaft	398	#2	3.5	LW	273	201
1918			Peru	131,174		shaft	400	#2	3.33	LW	285	229
1919			La Salle	119,781		shaft	400	#2	3.33	LW	207	221
1920			Peru	124,933		shaft	400	#2	3.33	LW	254	213
1921			La Salle	110,260		shaft	550	#2	3.33	LW	186	232
1922				51,066							88	223
1923			Peru	45,035		shaft	398	#7/#2	3.33	LW	139	96
1924				66,751		shaft	400	#2	3.5	LW	194	143
1925				74,900		shaft	400	#2	3.5	LW	186	185
1925b				50,312							92	227
1926				90,565		shaft	400	#2	3.5	LW	180	208
1927			La Salle	39,665		shaft	400	#2	3.5	LW	71	214
1928			Peru	64,062							161	226
1929				74,548	4,021,221						162	199
1930		Union Coal Co.		54,843							131	208
1931			La Salle	109,138							190	236
1932			Peru	132,155							214	240
1933				133,248							229	256
1934				136,184							236	258
1935				135,817							216	280
1936				157,994							231	330
1937	S-3			154,819
1938	S-3			121,816		shaft	400	#2	3.5	LW	211	325
1939	S-3			119,209		shaft	400	#2	3.5	LW	183	329
1940	S-3			148,855		shaft	400	#2	3.5	LW	236	311
1941	S-3			155,823		shaft	400	#2	3.5	LW	250	275
1942	S-3			125,107		shaft	400	#2	3.5	LW	220	211
1943	S-3			92,903		shaft	400	#2	3.5	LW	220	156
1944	S-3			65,923		shaft	400	#2	3.5	LW	201	120
1945	S-3			40,924	1,884,758	shaft	400	#2	3.5	LW	154	115
1946	S-3	United Coal Co, Union		32,951		shaft	400	#2	3.5	LW	136	97
1947	S-3			37,259							145	149
1948	S-3			41,709							150	124
1949	S-3			12,965	124,884						54	94
					7,225,068