[Title page] Minerals yearbook 1969, pp. [i]-[ii]

Foreword, Osborn, Elburt F. pp. iii ff.

Acknowledgments, Schreck, Albert E. pp. v ff.

Contents, pp. vii-viii

Review of the mineral industries, Schumaker, Bernadette S.; Baker, Jeannette I. pp. 1-60

Technologic trends in the mineral industries (metals and nonmetals except fuels), Morning, John L. pp. 61-82

Statistical summary, Muscal, Julia pp. 83-119 ff.

Injury experience and worktime in the mineral industries, Moyer, Forrest T. pp. 121-135 ff.

Abrasive materials, Moyer, Forrest T. pp. 137-150

Aluminum, Lewis, John R.; Cammarota, V. Anthony, Jr. pp. 151-172

Antimony, Davis, L. E. pp. 173-181 ff.

Asbestos, Readling, Charles L. pp. 183-191 ff.

Barite, Diamond, W. Gene pp. 193-198

Bauxite, Lewis, John R. pp. 199-211 ff.

Beryllium, Eilertsen, Donald E. pp. 213-218

Bismuth, Moulds, Donald E. pp. 219-223 ff.

Boron, West, J. M. pp. 225-230

Bromine, Olson, Keith S. pp. 231-234

Cadmium, Moulds, Donald E. pp. 235-240

Calcium and calcium compounds, Lansche, Arnold M. pp. 241-243 ff.

Carbon black, Kelley, Carl W. pp. 245-254

Cement, Whitman, Robert A. pp. 255-276

Chromium, Morning, John L. pp. 277-286

Clays, Wells, J. Robert pp. 287-308

Coal--bituminous and lignite, Gallagher, J.J.; Westerstrom, L.W. pp. 309-369 ff.

Coal--Pennsylvania anthracite, Lorenz, Walter C. pp. 371-395 ff.

Cobalt, DeHuff, Gilbert L. pp. 397-402

Coke and coal chemicals, Kelley, Carl W. pp. 403-440

Columbium and tantalum, Irani, Meherwan C. pp. 441-450

Copper, Schroeder, Harold J.; Cole, John W. pp. 451-481 ff.

Diatomite, West, J. M. pp. 483-485 ff.

Feldspar, nepheline syenite, and aplite, Wells, J. Robert pp. 487-493 ff.

Ferroalloys, Reno, Horace T. pp. 495-503 ff.

Fluorspar and cryolite, Readling, Charles L. pp. 505-513 ff.

Gem stones, Gray, Jerry J. pp. 515-520

Gold, Hoyt, Charles D. pp. 521-538

Graphite, Weaver, Lewis K. pp. 539-545 ff.

Gypsum, Ashizawa, Roy Y. pp. 547-553 ff.

Helium, Thomasson, Edwin M. pp. 555-558

Iron ore, Brantley, F. E. pp. 559-579 ff.

Iron and steel, Brantley, F. E. pp. 581-602

Iron and steel scrap, Fisher, Frank L. pp. 603-612

Iron oxide pigments, Fisher, Frank L. pp. 613-616

Kyanite and related materials, Wells, J. Robert pp. 617-621 ff.

Lead, Moulds, Donald E. pp. 623-647 ff.

Lime, Whitman, Robert A. pp. 649-655 ff.

Magnesium, Lewis, John R. pp. 657-663 ff.

Magnesium compounds, Lewis, John R.; Cammarota, V. Anthony, Jr. pp. 665-672

Manganese, DeHuff, Gilbert L. pp. 673-684

Mercury, West, J. M. pp. 685-695 ff.

Mica, Readling, Charles L. pp. 697-705 ff.

Molybdenum, Morning, John L. pp. 707-716

Natural gas, Harper, William B.; Fanelli, Leonard L. pp. 717-745 ff.

Natural gas liquids, Harper, William B.; Fanelli, Leonard L. pp. 747-763 ff.

Nickel, Reno, Horace T. pp. 765-773 ff.

Nitrogen, Lorenz, Walter C. pp. 775-782

Peat, Olson, Keith S. pp. 783-789 ff.

Perlite, Eilertsen, Donald E. pp. 791-793 ff.

Crude petroleum and petroleum products, Kirby, James G.; Moore, Betty M. pp. 795-906

Phosphate rock, Sweeney, John W. pp. 907-920

Platinum--group metals, Hoyt, Charles D.; Ryan, J. Patrick pp. 921-931 ff.

Potash, Eilertsen, Donald E. pp. 933-946

Pumice, Parker, John G. pp. 947-950

Rare-earth minerals and metals, Parker, John G. pp. 951-958

Salt, Hibpshman, Mark H. pp. 959-968

Sand and gravel, Wood, S.O., Jr. pp. 969-989 ff.

Silicon, Fisher, Frank L. pp. 991-995 ff.

Silver, Hoyt, Charles D. pp. 997-1010

Slag--- iron and steel, Fisher, Frank L. pp. 1011-1014

Sodium and sodium compounds, Lansche, Arnold M. pp. 1015-1018

Stone, Wood, S.O., Jr.; Carrales, M., Jr. pp. 1019-1039 ff.

Sulfur and pyrites, Lansche, Arnold M. pp. 1041-1051 ff.

Talc, soapstone and pyrophyllite, Hartwell, John W. pp. 1053-1058

Thorium, Parker, John G. pp. 1059-1064

Tin, Lewis, John R. pp. 1065-1080

Titanium, Cole, John W. pp. 1081-1090

Tungsten, Stevens, Richard F., Jr. pp. 1091-1107 ff.

Uranium, Parker, John G. pp. 1109-1130

Vanadium, DeHuff, Gilbert L. pp. 1131-1137 ff.

Vermiculite, Hale, William N. pp. 1139-1142

Zinc, Moulds, Donald E. pp. 1143-1168

Zirconium and hafnium, Eilertsen, Donald E. pp. 1169-1174

Minor metals, pp. 1175-1185 ff.

Minor nonmetals, Park, William G. pp. 1187-1194