[Title page] Minerals yearbook 1972, pp. [i]-[ii]

Foreword, Falkie, Thomas V. pp. iii ff.

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

Contents, pp. vii-viii

Review of the mineral industries, Sullivan, Daniel E.; Baker, Jeannette L.; Theofilos, Nicholas G. pp. 1-59 ff.

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

Statistical summary, pp. 83-121 ff.

Abrasive materials, Clarke, Robert G. pp. 123-134

Aluminum, Stamper, John W. pp. 135-158

Antimony, Wyche, Charlie pp. 159-167 ff.

Asbestos, Clifton, Robert A. pp. 169-180

Barite, Fulkerson, Frank B. pp. 181-187 ff.

Bauxite, Kurtz, Horace F. pp. 189-204

Beryllium, Whitman, Robert A. pp. 205-209 ff.

Bismuth, Hague, J. M. pp. 211-216

Boron, Wang, K. P. pp. 217-221 ff.

Bromine, Klingman, Charles L. pp. 223-226

Cadmium, Ashley, Burton E. pp. 227-233 ff.

Calcium and calcium compounds, Reed, Avery H. pp. 235-236

Carbon black, Zaffarano, Richard F.; Wood, S.O., Jr. pp. 237-245 ff.

Cement, Brown, Brinton C. pp. 247-287 ff.

Chromium, Morning, John L. pp. 289-299 ff.

Clays, Ampian, Sarkis G. pp. 301-327 ff.

Coal: bituminous and lignite, Westerstrom, L.W. pp. 329-393 ff.

Coal: Pennsylvania anthracite, Federoff, Dorothy R. pp. 395-418

Cobalt, Corrick, John D. pp. 419-426

Coke and coal chemicals, Sheridan, Eugene T. pp. 427-460

Columbium and tantalum, Sutton, Joseph A. pp. 461-471 ff.

Copper, Schroeder, Harold J. pp. 473-509 ff.

Diatomite, Petkof, Benjamin pp. 511-513 ff.

Feldspar, nepheline, syenite, and aplite, Wells, J. Robert pp. 515-523 ff.

Ferroalloys, Matthews, Norman A. pp. 525-533 ff.

Fluorspar and cryolite, Wood, H. B. pp. 535-551 ff.

Gallium, Chin, E. pp. 553-557 ff.

Gem stones, Clarke, Robert G. pp. 559-565 ff.

Gold, West, J. M. pp. 567-588

Graphite, Willard, David G. pp. 589-595 ff.

Gypsum, Reed, Avery H. pp. 597-604

Helium, Koelling, Gordon W. pp. 605-610

Iron ore, Klinger, F. L. pp. 611-639 ff.

Iron and steel, Brantley, F. E. pp. 641-666

Iron and steel scrap, Polta, Harold J. pp. 667-681 ff.

Iron oxide pigments, Stipp, Henry E. pp. 683-687 ff.

Kyanite and related materials, Wells, J. Robert pp. 689-693 ff.

Lead, Ryan, J. Patrick pp. 695-725 ff.

Lime, Reed, Avery H. pp. 727-734

Magnesium, Chin, E. pp. 735-745 ff.

Magnesium compounds, Chin, E. pp. 747-755 ff.

Manganese, DeHuff, Gilbert L. pp. 757-769 ff.

Mercury, Cammarota, V. Anthony, Jr. pp. 771-781 ff.

Mica, Petkof, Benjamin pp. 783-791 ff.

Molybdenum, Kuklis, Andrew pp. 793-806

Natural gas, Harper, William B.; Fanelli, Leonard L. pp. 807-847 ff.

Natural gas liquids, Wood, S.O., Jr.; Fanelli, Leonard L. pp. 849-870

Nickel, Reno, Horace T. pp. 871-879 ff.

Nitrogen, Briggs, Ted C. pp. 881-896

Peat, Sheridan, Eugene T. pp. 897-904

Perlite, Meisinger, Arthur C. pp. 905-907 ff.

Crude petroleum and petroleum products, Kirby, James G.; Carleton, David A.; Moore, Betty M. pp. 909-1026

Phosphate rock, Stowasser, W.F. pp. 1027-1041 ff.

Platinum: group metals, West, J. M. pp. 1043-1054

Potash, Eilertsen, Donald E. pp. 1055-1067 ff.

Pumice and volcanic cinder, Meisinger, Arthur C. pp. 1069-1073 ff.

Rare-earth minerals and metals, Kennedy, James S.; Jolly, James H. pp. 1075-1083 ff.

Rhenium, Alverson, Larry J. pp. 1085-1091 ff.

Salt, MacMillan, Robert T. pp. 1093-1102

Sand and gravel, Pajalich, Walter pp. 1103-1121 ff.

Silicon, Shekarchi, E. pp. 1123-1128

Silver, Welch, J. R. pp. 1129-1142

Slag: Iron and steel, Drake, Harold J. pp. 1143-1146

Sodium and sodium compounds, Klingman, Charles L. pp. 1147-1151 ff.

Stone, Drake, Harold J. pp. 1153-1173 ff.

Sulfur and pyrites, Merwin, Roland W. pp. 1175-1190

Talc, soapstone and pyrophyllite, Wells, J. Robert pp. 1191-1199 ff.

Thorium, Sondermayer, Roman V. pp. 1201-1208

Tin, Harris, Keith L. pp. 1209-1225 ff.

Titanium, Wessel, F. W. pp. 1227-1237 ff.

Tungsten, Stevens, Richard F., Jr. pp. 1239-1259 ff.

Uranium, Woodmansee, Walter C. pp. 1261-1285 ff.

Vanadium, Taylor, Harold A., Jr. pp. 1287-1294

Vermiculite, Fulkerson, Frank B. pp. 1295-1298

Zinc, McMahon, Albert D.; Hague, John M.; Babitzke, Herbert R. pp. 1299-1333 ff.

Zirconium and hafnium, Ampian, Sarkis G. pp. 1335-1346

Minor metals, pp. 1347-1358

Minor nonmetals, pp. 1359-1370