Books by J. J. Watkins:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Watkins, J. J.: On-site production of activated carbon from kraft black liquor (Environmental Protection Agency, Office of Research and Development, Industrial Environmental Research Laboratory, ;, 1978), also by V. D. Del Bagno, R. L. Miller, St. Regis Paper Company, and Ohio) Industrial Environmental Research Laboratory (Cincinnati (page images at HathiTrust)- Watkins, J. J.: On-site production of activated carbon from kraft black liquor (Cincinnati, Ohio : Environmental Protection Agency, Office of Research and Development, Industrial Environmental Research Laboratory, 1978., 1978), also by V. D. Del Bagno, R. L. Miller, St. Regis Paper Company, and Ohio) Industrial Environmental Research Laboratory (Cincinnati (page images at HathiTrust)
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