The
Laramie flora of the Denver basin
with a review of the Laramie problem
Knowlton, Frank Hall
1860-1926
creator
text
dcu
Washington
Govt. print. off.
1922
monographic
eng
iv, 175 p. XXVIII pl., tables. 29 cm.
by F. H. Knowlton.
At head of title: Department of the interior.
Paleobotany
Geology, Stratigraphic
Cretaceous
U.S. Geological survey. Professional paper l30
gs 22000387
U.S. Geol. survey. Library (200) B no. 130 QE75.P9 no. 130
790925
20260227111327.0
gs 22000387