Map - Movement of Iron Ore.
Transparency
Caspar W. Briggs
American, 1847–1942
Map - Movement of Iron Ore.
transparency, gelatin on glass
Overall: 3 1/4 × 4 in. (8.3 × 10.2 cm)
Gift of the 3M Foundation, ex-collection Louis Walton Sipley
1987.0100.0041
