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CONTENTS.
Page.
Mineral products of the United States: Review of conditions and output in 1911
and 1912, by E. W. Parker.
7
Summary of the mineral production of the United States in 1912, by W. T.
Thom...
113
Metals and metallic ores in 1911 and 1912, by J. P. Dunlop..
Iron ore, pig iron, and steel, by E. F. Burchard.
Iron-ore industry in the United States..
Iron ore mined and marketed in 1912.
Production of iron ore, by States.
Total production of iron ore.
Lake Superior district..
Foreign trade in iron ore..
139
147
148
150
156
162
168