Transactions.

Some vols., 1920-1949, contain collections of papers according to subject.Vols.77-81, 1928-29, issued without title and volume numbering; v.82-98, 1929-32, issued without volume numbering; numbers were assigned later.Mode of access: Internet.Vols. 1-59, 1871-1918, issued under the institute's earlier name: American Institute of Mining Engineers; v.60-204, American Institute of Mining and Metallurgical Engineers.Vols. 184- 1949- the Transactions were reorganized under three branches: Metals Branch, Mining Branch, and Petroleum Branch. Each issues an annual volume which consists of papers published the preceding year as Technical papers in Journal of Metals, Mining engineering, and Journal of petroleum