Vol. s3-37, Issue 217, 1889January 01, 1889 EDT
The Iron Ores of the Penokee-Gogebic Series of Michigan and Wisconsin
The Iron Ores of the Penokee-Gogebic Series of Michigan and Wisconsin
Charles Richard Van Hise,
Van Hise, C. R. (1889). The iron ores of the Penokee-Gogebic series of Michigan and Wisconsin. American Journal of Science, s3-37(217), 32–48. https://doi.org/10.2475/ajs.s3-37.217.32