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Publication Extents

Not all publications have extents, not all extents are completely accurate
South Dakota mica deposits
J.W. Adams, L.C. Pray, L. R. Page, J.J. Morton, M.P. Erickson, T. A. Steven, K.F. Stopper
1945, Open-File Report 45-87
North Carolina mica mines
J.B. Hustad, R. W. Lemke, J. M. Parker III, W. R. Griffitts, J.R. Wolfe Jr., E. W. Heinrich, J. B. Hadley, W. P. Irwin
1945, Open-File Report 45-86