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- Analyses of tipple and delivered samples of coal :(collected during the fiscal year 1951)
- Analyses of tipple and delivered samples of coal (collected during the fiscal year 1952)
- Analyses of tipple and delivered samples of coal :(collected during the fiscal year 1953)
- Analyses of tipple and delivered samples of coal :collected during fiscal year 1954
- Analyses of tipple and delivered samples of coal :(collected during fiscal year 1956)
- Analyses of tipple and delivered samples of coal :(collected during the fiscal year 1957)
- Analyses of tipple and delivered samples of coal :(collected during the fiscal year 1958)
- Analyses of tipple and delivered samples of coal :collected during fiscal year 1959
- Analyses of tipple and delivered samples of coal :(collected during the fiscal year 1960)
- Analyses of tipple and delivered samples of coal :collected during fiscal year 1961