The flora of the Dakota group, a posthumous work,
Lesquereux, Leo, 1806-1889.
The flora of the Dakota group, a posthumous work, by Leo Lesquereux. Ed. by F.H. Knowlton. - Washington, Govt. print. off., 1891. - 400 p. LXVI pl. 31 x 23 cm. - U.S. Geological survey. Monographs. Vol. XVII . - Monographs of the United States Geological Survey ; v. 17. .
gs 05000804 //r932
Paleobotany--Cretaceous.
Plants, Fossil--United States.
QE75 / .M7 vol. 17
The flora of the Dakota group, a posthumous work, by Leo Lesquereux. Ed. by F.H. Knowlton. - Washington, Govt. print. off., 1891. - 400 p. LXVI pl. 31 x 23 cm. - U.S. Geological survey. Monographs. Vol. XVII . - Monographs of the United States Geological Survey ; v. 17. .
gs 05000804 //r932
Paleobotany--Cretaceous.
Plants, Fossil--United States.
QE75 / .M7 vol. 17