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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.
139
147
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..
148
150
156
162
168
Survey investigations of iron ore.
Iron ore in Eagle Mountains, California.
Titaniferous magnetite in northwest Montana.
Clinton hematite in eastern Wisconsin..
Iron and steel industry of the United States.
Production of pig iron..
Ferro-alloys...
172
176
178
Red iron ore in Tennessee, Alabama, and Georgia.
180
191
198