Yazar
Frank Hall Knowlton
29 cilt bulundu.
Cilt sonuçları
Fossil forests of the Yellowstone National Park
Frank Hall Knowlton · Dept. of the Interior, Office of the Secretary
31 sayfa · 1914
Petrified forests / Fossil Trees
Plants of the past
Frank Hall Knowlton · Princeton university press
275 sayfa · 1927
Paleobotany / Popular works / Fossil Plants
Fossil wood and lignite of the Potomac Formation
Frank Hall Knowlton · Govt. Print. Off.
72 sayfa · 1889
Fossil Plants / Fossil Trees / Lignite / Paleobotany / Plants, Fossil
Flora of the Montana formation
Frank Hall Knowlton · Govt. Print. Off.
118 sayfa · 1900
Paleobotany / Monilinia fructigena / Monilinia fructicola
... The stratigraphic relations and paleontology of the "Hell creek beds", "Ceratops beds" and equivalents
Frank Hall Knowlton · Washington acakedmy of sciences
238 sayfa · 1909
Geology / Geology, Stratigraphic / Stratigraphic Geology