Vol. s3-17, Issue 100, 1879April 01, 1879 EDT
United States Geological Survey of the Fortieth Parallel, vol. I (Review)
United States Geological Survey of the Fortieth Parallel, vol. I (Review)
Raphael Pumpelly,
Pumpelly, R. (1879). United States Geological Survey of the Fortieth Parallel, vol. I (review). American Journal of Science, s3-17(100), 296–302. https://doi.org/10.2475/ajs.s3-17.100.296