| Year | Operation Name | Number | Type | Opening | District | City | County | Company Name | Railroad Shipments (tons) | Railroad to Mine | Truck Shipments (tons) | Total Production (tons) | Days Worked | Employees | Notes |
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| 1920 | Avoca | | Colliery | Shaft 1 | 7 | Avoca 1 | Luzerne | Suffolk Coal Co. | 216,057 | D&H | 0 | 227,321 | 289 | 490 | Formerly Langcliffe Colliery of Hudson Coal Co. | | 1921 | Avoca | | Colliery | Shaft 1 | 7 | Avoca 1 | Luzerne | Suffolk Coal Co. | 117,129 | D&H | 0 | 125,462 | 170 | 450 | | | 1922 | Avoca | | Colliery | Shaft 1 | 7 | Avoca 1 | Luzerne | Suffolk Coal Co. | 134,062 | D&H | 0 | 143,927 | 162 | 482 | | | 1923 | Avoca | | Colliery | Shaft 1 | 7 | Avoca 1 | Luzerne | Suffolk Coal Co. | 139,170 | D&H / Erie | 0 | 145,648 | 159 | | Sold to Suffolk Anthracite Collieries July 12, 1923. | | 1932 | Gibbons | | Colliery | | 5 | | Lackawanna | Suffolk Coal Co. | 6,633 | | 0 | 8,503 | 74 | 150 | | | 1932 | Langcliffe | | Colliery | | 7 | Avoca 1 | Luzerne | Suffolk Coal Co. | 28,853 | | 896 | 36,514 | 38 | 126 | | | 1933 | Gibbons | | Colliery | | 5 | | Lackawanna | Suffolk Coal Co. | 29,910 | | 0 | 37,610 | 286 | 215 | | | 1933 | Langcliffe | | Colliery | | 7 | Avoca 1 | Luzerne | Suffolk Coal Co. | 41,284 | | 10,546 | 51,980 | 267 | 90 | Coal prepared at Gibbons Breaker, 5th District. | | 1934 | Langcliffe | | Colliery | | 7 | Avoca 1 | Luzerne | Suffolk Coal Co. | 34,005 | | 4,535 | 48,578 | 238 | 81 | | | 1934 | Suffolk | | Colliery | | 5 | | Lackawanna | Suffolk Coal Co. | 0 | | 0 | 0 | 271 | 38 | | | 1935 | Suffolk | | Colliery | | 5 | | Lackawanna | Suffolk Coal Co. | 0 | | 0 | 0 | 301 | 54 | | | 1936 | Suffolk | | Colliery | | 5 | | Lackawanna | Suffolk Coal Co. | 0 | | 0 | 0 | 236 | 49 | | | 1937 | Suffolk | | Colliery | | 5 | | Lackawanna | Suffolk Coal Co. | 0 | | 0 | 0 | 130 | 29 | | | 1938 | Suffolk | | Mine | | 6 | | Lackawanna | Suffolk Coal Co. | 0 | Truck 1 | 3,535 | 3,535 | 99 | 0 | Coal prepared by Paramount Breaker, 1st District. | | 1939 | Suffolk | | Mine | | 6 | | Lackawanna | Suffolk Coal Co. | 0 | Truck 1 | 8,299 | 8,299 | 202 | 28 | | | 1940 | Suffolk | | Mine | | 6 | | Lackawanna | Suffolk Coal Co. | 0 | Truck 1 | 18,314 | 18,314 | 176 | 31 | | | 1941 | Suffolk | | Mine | | 6 | | Lackawanna | Suffolk Coal Co. | 0 | Truck 1 | 22,395 | 22,395 | 222 | 33 | |
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