Vol. 247, Issue 8, 1949August 01, 1949 EDT
Quantitative Areal Geology of the United States
Quantitative Areal Geology of the United States
Donald V. Higgs,
Higgs, D. V. (1949). Quantitative areal geology of the United States. American Journal of Science, 247(8), 575–583. https://doi.org/10.2475/ajs.247.8.575