Books by O. H. Metzger:
Books in the extended shelves:
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Metzger, O. H.: Aerial tramways in the metal-mining industry. B part 2 : construction and operating costs (U.S. Dept. of the Interior, Bureau of Mines, 1940), also by United States Bureau of Mines (page images at HathiTrust)- Metzger, O. H.: Aerial tramways in the metal-mining industry. Part 1 (U.S. Dept. of the Interior, Bureau of Mines, 1937), also by United States Bureau of Mines (page images at HathiTrust)
- Metzger, O. H.: Die Glocken im Friedländischen; eine Wanderung durch deutsche Türme und Glockenstuben. (Im Selbstverlage des Verfassers, 1912) (page images at HathiTrust)
- Metzger, O. H.: Friedland in Böhmen anno 1813. (Böhmen, 1913) (page images at HathiTrust)
- Metzger, O. H.: Gold mining and milling in the Wickenburg area, Maricopa and Yavapai Counties, Ariz. (Bureau of Mines, 1938), also by United States Bureau of Mines (page images at HathiTrust)
- Metzger, O. H.: Gold mining in New Mexico (U.S. Dept. of the Interior, Bureau of Mines, 1938), also by United States Bureau of Mines (page images at HathiTrust)
- Metzger, O. H.: Reconnaissance of placer mining districts in Idaho County, Idaho (Dept. of the Interior, Bureau of Mines, 1938), also by S. H. Lorain and United States Bureau of Mines (page images at HathiTrust)
- Metzger, O. H.: Reconnaissance of placer-mining districts in Lemhi County, Idaho (Dept. of the Interior, Bureau of Mines, 1939), also by S. H. Lorain and United States Bureau of Mines (page images at HathiTrust)
- Metzger, O. H.: Reconnaissance of placer mining in Boise County, Idaho (U.S. Dept. of the Interior, Bureau of Mines, 1938), also by United States Bureau of Mines (page images at HathiTrust)
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