Status of the Mesozoic floras of the United States. First paper: The older Mesozoic Part II General geology and paleontology Ward, Lester F. (Lester Frank), 1841-1913 creator Fontaine, William Morris, 1835-1913 contributor Wanner, Atreus, 1852- contributor Knowlton, Frank Hall, 1860-1926 contributor text book Washington Govt. Print. Off 1900 1900
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ENG Cover title. Second paper published as Monograph XLVIII of the U. S. Geological survey. pt. I. The Triassic Flora.--pt. II. The Jurassic flora. Mesozoic Paleobotany United States https://www.biodiversitylibrary.org/bibliography/55100 28591570 gs59000001 10.5962/bhl.title.55100 U. S. Geol. survey. Library