Projects aimed at achieving the least disturbance to the nation's air, water, and land resources in the mining and utilization of coal continued to be a feature of the Bureau of Mines coal program. This reflects the current concern about damage inflicted on the environment by our growing and increasingly affluent society. Mine health and safety research, along with investigations related to all other aspects of coal extraction and use, also continued to be implemented and expanded. The overall research efforts seek the dual objective of increasing coal tonnage yet facilitating pollution abatement, and control in achieving maximum public benefit from our coal resources. Appendix a lists the Bureau of Mines research centers and laboratories. Publications issued during 1969 are cited with the projects and in Appendix C. Organizations that cooperated with the Bureau in the work described in this report are cited in Appendix B.
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