Search Results for the EPA National Library Catalog

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Your Search: (SUBJECT=Life support systems)

 
 
 

Select Item Title Year Published
Feasibility study of mining coal in an oxygen free atmosphere; a demonstration of a new mining technique to prevent the formation of mine acid in an active deep mine: phase I, 1970
Pollution and Your Health. 1976
Testing program for mining coal in an oxygen free atmosphere / 1978
Testing Program for Mining Coal in an Oxygen Free Atmosphere. Volume II - Appendices. 1978

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