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NCB Employment
NCB Employment
Hawthorn Combined Mine
NCB Employment
Year
Total
Below
Above
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
227
45
182
1965
222
45
177
1966
1967
222
45
177
1968
234
45
189
1969
136
44
92
1970
144
46
98
1971
140
45
95
1972
130
46
84
1973
128
38
90
1974
128
38
90
1975
149
47
102
1976
147
47
100
1977
145
46
99
1978
1979
153
46
107
1980
130
46
84
1981
299
48
251
1982
301
47
254
1983
301
47
254
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
Year
Total
Below
Above
main page for Hawthorn Combined Mine
Sources:
1964 Guide to the Coalfields published by the Colliery Guardian
1965 Guide to the Coalfields published by the Colliery Guardian
1967 Guide to the Coalfields published by the Colliery Guardian
1968 Guide to the Coalfields published by the Colliery Guardian
1969 Guide to the Coalfields published by the Colliery Guardian
1970 Guide to the Coalfields published by the Colliery Guardian
1971 Guide to the Coalfields published by the Colliery Guardian
1972 Guide to the Coalfields published by the Colliery Guardian
1973 Guide to the Coalfields published by the Colliery Guardian
1974 Guide to the Coalfields published by the Colliery Guardian
1975 Guide to the Coalfields published by the Colliery Guardian
1976 Guide to the Coalfields published by the Colliery Guardian
1977 Guide to the Coalfields published by the Colliery Guardian
1979 Guide to the Coalfields published by the Colliery Guardian
1980 Guide to the Coalfields published by the Colliery Guardian
1981 Guide to the Coalfields published by the Colliery Guardian
1982 Guide to the Coalfields published by the Colliery Guardian
1983 Guide to the Coalfields published by the Colliery Guardian
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