Welcome to the Kids' Library!

A catalogue of the Cretaceous and Tertiary plants of North America

Knowlton, Frank Hall, 1860-1926, author.
Washington, D.C. : Department of the Interior, United States Geological Survey, 1898. 1898

A catalogue of the Mesozoic and Cenozoic plants of North America

Knowlton, Frank Hall, 1860-1926, author.
[Washington, D.C.] : Department of the Interior, United States Geological Survey, 1919. 1919

[Contributions to the geology and paleontology of San Juan County, New Mexico].

Knowlton, Frank Hall, 1860-1926, author.
[Washington] : [Department of the Interior, United States Geological Survey], [1917] 1916

The flora of the Denver and associated formations of Colorado

Knowlton, Frank Hall, 1860-1926 author.
Washington : United States Department of the Interior, Geological Survey, 1930. 1930

The flora of the Fox Hills sandstone

Knowlton, Frank Hall, 1860-1926, author.
[Washington] : [Department of the Interior, United States Geological Survey], [1917] 1916

Flora of the Montana formation

Knowlton, Frank Hall, 1860-1926, author.
Washington, D.C. : Department of the Interior, United States Geological Survey, 1900. 1900

A fossil flora from the Frontier Formation of southwestern Wyoming

Knowlton, Frank Hall, 1860-1926, author.
Washington : Department of the Interior, United States Geological Survey, 1917. 1917

Fossil plants from the Tertiary lake beds of south-central Colorado

Knowlton, Frank Hall, 1860-1926, author.
[Washington] : [Department of the Interior, United States Geological Survey], [1923] 1922

Geology and coal resources of the Cape Lisburne region, Alaska

Collier, Arthur J. (Arthur James), 1866-1939, author.
Washington, D.C. : Department of the Interior, United States Geological Survey, 1906. 1906

Geology and paleontology of the Judith river beds

Stanton, T. W. (Timothy William), 1860-1953 author.
Washington, D.C. : Department of the Interior, United States Geological Survey, 1905. 1905

Geology and paleontology of the Raton mesa and other regions in Colorado and New Mexico

Lee, Willis T. (Willis Thomas), 1864-1926 author.
Washington : Department of the Interior, United States Geological Survey, 1917. 1917

The Jurassic flora of Cape Lisburne, Alaska

Knowlton, Frank Hall, 1860-1926, author.
Washington : Department of the Interior, United States Geological Survey, 1914. 1914

Revision of the flora of the Green River formation with descriptions of new species

Knowlton, Frank Hall, 1860-1926, author.
[Washington] : [Department of the Interior, United States Geological Survey], [1923] 1922

Upper Cretaceous and Tertiary formations of the western part of the San Juan Basin, Colorado and New

Reeside, John B. (John Bernard), 1889-1958, author.
Washington : Department of the Interior, United States Geological Survey, 1924. 1924