1903/04/01 by Elmer S. Riggs, E. S. Riggs · 87 citations
Earth and Planetary Sciences · #Geology #Paleontology #Paleontology and Evolutionary Biology
paper · doi:10.2475/ajs.s4-15.88.299
published in American Journal of Science s4-15(88), 299-306 (American Journal of Science (AJS))
crossref issued 1903/04/01 · crossref published 1903/04/01 · crossref published-print 1903/04/01 · openalex publication_date 1903/04/01 · crossref created 2010/08/31 · crossref deposited 2025/01/15 · openalex created_date 2025/10/10 · crossref indexed 2026/07/20 · openalex updated_date 2026/07/28