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- Analyses of tipple and delivered samples of coal :collected during the fiscal year 1962
- Analyses of tipple and delivered samples of coal :collected during the fiscal year 1963
- Analyses of tipple and delivered samples of coal collected during fiscal year 1964
- Analyses of tipple and delivered samples of coal :collected during the fiscal year 1965
- Analyses of tipple and delivered samples of coal :collected during fiscal year 1966
- Analyses of tipple and delivered samples of coal :collected during fiscal year 1967
- Analyses of tipple and delivered samples of coal :collected during fiscal year 1968
- Analyses of tipple and delivered samples of coal :collected during fiscal year 1972
- Analyses of tipple and delivered samples of coalcollected during fiscal year 1973
- Analyses of tipple and delivered samples of coal:collected during fiscal year 1974
- Analyses of tipple and delivered samples of coalcollected during fiscal year 1975
- Analyses of tipple and delivered samples of coalcollected during the period July 1975 through September 1976