The Online Books Page

Books by John Ballantine Knaebel:

Books in the extended shelves:

• Knaebel, John Ballantine, 1906-: Gold mining and milling in the United States and Canada: current practices and costs (U.S. Govt. Print. Off., 1932), also by Charles Freeman Jackson (page images at HathiTrust)
• Knaebel, John Ballantine, 1906-: Lead and zinc mining and milling in the United States : current practices and costs (U.S. Dept. of the Interior, Bureau of Mines, 1934), also by Charles Freeman Jackson and Chilton Austin Wright (page images at HathiTrust)
• Knaebel, John Ballantine, 1906-: Lead and zinc mining and milling in the United States : current practices and costs (U.S. G.P.O., 1935), also by Charles Freeman Jackson and Chilton Austin Wright (page images at HathiTrust)
• Knaebel, John Ballantine, 1906-: Sampling and estimation of ore deposits (U.S. Govt. Print. Off., 1934), also by Charles Freeman Jackson (page images at HathiTrust)
• Knaebel, John Ballantine, 1906-: Small-scale placer-mining methods (Dept. of Commerce :, 1932), also by Charles Freeman Jackson, United States Department of the Interior, and United States Bureau of Mines (page images at HathiTrust)
• Knaebel, John Ballantine, 1906-: Small-scale placer-mining methods (Dept. of Commerce :, 1932), also by Charles Freeman Jackson, United States Department of the Interior, and United States Bureau of Mines (page images at HathiTrust)

Find more by John Ballantine Knaebel at your library, or elsewhere.