Books by J. J. Sjoberg:
![[Info]](https://onlinebooks.library.upenn.edu/info.gif)
Sjoberg, J. J.: Extraction of Silver From Refractory Ores (report of investigations 7736; Washington: U.S. Dept. of the Interior, Bureau of Mines, 1973), also by Bernard J. Scheiner, D. L. Pool, and R. E. Lindstrom (page images at HathiTrust)
Additional books by J. J. Sjoberg in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Sjoberg, J. J.: Cl₂-O₂ leaching of massive sulfide samples from the southern Juan de Fuca Ridge, North Pacific Ocean (U.S. Dept. of the Interior, Bureau of Mines, 1983), also by T. G. Carnahan, G. A. Smyres, Dwight L. Sawyer, and United States. Bureau of Mines. Extractive Metallurgy Technology Program (page images at HathiTrust)- Sjoberg, J. J.: Recovery of tungsten from a hydrothermally altered deposit (U.S. Dept. of the Interior, Bureau of Mines, 1982), also by M. M. Wong, J. M. Gomes, and A. E. Raddatz (page images at HathiTrust)
- Sjoberg, J. J.: Selected silicate minerals and their asbestiform varieties : mineralogical definition sand identification-characterization (Dept. of the Interior, Bureau of Mines, 1977), also by E. E. Cather, L. L. Brown, R. L. Blake, William Joseph Campbell, and United States Bureau of Mines (page images at HathiTrust)
Find more by J. J. Sjoberg at your library, or elsewhere.