Agnew, A. F., Flint, A. E., Allingham, J. D., Geological Survey, & Wisconsin Geological and Natural History Survey. (1953). Exploratory drilling program of the U. S. Geological Survey for evidences of zinc-lead mineralization in Iowa and Wisconsin, 1950-51. United States Department of the Interior, Geological Survey.
Chicago Style (17th ed.) CitationAgnew, Allen F., Arthur E. Flint, John D. Allingham, Geological Survey, and Wisconsin Geological and Natural History Survey. Exploratory Drilling Program of the U. S. Geological Survey for Evidences of Zinc-lead Mineralization in Iowa and Wisconsin, 1950-51. Washington, D.C.: United States Department of the Interior, Geological Survey, 1953.
MLA (8th ed.) CitationAgnew, Allen F., et al. Exploratory Drilling Program of the U. S. Geological Survey for Evidences of Zinc-lead Mineralization in Iowa and Wisconsin, 1950-51. United States Department of the Interior, Geological Survey, 1953.