One thousand million tons
Subtitle: Michigan iron ore shipments through 1974
By: compiled by Robert C. Reed
Series: Circular - Geological Survey Division ; 12
Publisher: State of Michigan, Dept. of Natural Resources, Geological Survey Division
Published: 1975
Place of publication: Lansing
Language: eng
Number of pages: 12
Subjects: Iron mines and mining -- Michigan -- Statistics; Iron industry and trade -- Michigan -- Statistics; Iron ores -- Michigan -- Statistics
Notes: Chiefly tables