The Online Books Page

Books by Frank J. Zaval:

Books in the extended shelves:

• Zaval, Frank J.: Mine drainage pollution control demonstration grant procedures and requirements (Cincinnati, Ohio : National Environmental Research Center, Office of Research and Development, U.S. Environmental Protection Agency, [1974], 1974), also by Robert A. Burns, United States. Environmental Protection Agency. Office of Research and Development, and NUS Corporation (page images at HathiTrust)
• Zaval, Frank J.: Revegetation augmentation by reuse of treated active surface mine drainage; a feasibility study (For sale by the Supt. of Docs., U.S. Govt. Print. Off., 1972), also by John D. Robins and United States. Environmental Protection Agency. Office of Research and Monitoring (page images at HathiTrust)
• Zaval, Frank J.: Revegetation augmentation by reuse of treated active surface mine drainage; a feasibility study (U.S. Environmental Protection Agency, Office of Research and Monitoring, 1972), also by John D. Robins and United States. Environmental Protection Agency. Office of Research and Monitoring (page images at HathiTrust)
• Zaval, Frank J.: Water infiltration control to achieve mine water pollution control : a feasibility study (For sale by the Supt. of Docs., U.S Govt. Print. Off., 1973), also by John D. Robins (page images at HathiTrust)

Find more by Frank J. Zaval at your library, or elsewhere.