Search Results

1

Common fossils of Pennsylvania. [Illus. by Albert Van Olden

by Hoskins, Donald M.
Harrisburg] Commonwealth of Pennsylvania, Topographic and Geologic Survey 1962

Book

2

Common fossils of Pennsylvania / By Donald M. Hoskins.

by Hoskins, Donald M.
Harrisburg, [Pa.] : Pennsylvania Dept. of Internal Affairs, Topographic and Geologic Survey, 1962

Government Document Book

3

Common fossils of Pennsylvania /

by Hoskins, Donald M.
Harrisburg [Pa.] : Pennsylvania Bureau of Topographic and Geologic Survey, 1980

Government Document Book

4

Stratigraphy and paleontology of the Mahantango formation in south-central Pennsylvania /

by Ellison, Robert L.
Harrisburg, PA. : Pennsylvania, Bureau of Topographic and Geological Survey, 1965

Government Document Book

5

The Pennsylvanian Mill Creek limestone in Pennsylvania /

by Chow, Minchen Ming
[Harrisburg, Pa.] : Pennsylvania. Bureau of Topographic and Geologic Survey, 1951

Government Document Thesis Book

6

The Devonian of Pennsylvania : Middle and Upper Devonian /

Harrisburg, Pa. : Department of Internal Affairs, Topographic and Geologic Survey, 1939

Book

7

Common fossils of Pennsylvania /

by Hoskins, Donald M.
Harrisburg [Pa.] : Pennsylvania Bureau of Topographic and Geologic Survey, 1962

Government Document Book

8

The Devonian of Pennsylvania : Middle and upper Devonian /

Harrisburg, Pa. : Dept. of internatl affairs, Topographic and geologic survey, 1939

Book

9

Stratigraphy and paleontology of the Bloomsburg formation of Pennsylvania and adjacent States /

by Hoskins, Donald M.
[Harrisburg, PA.] : Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey, 1961

Government Document Book

10

The Pennsylvanian Mill Creek limestone in Pennsylvania /

by Chow, Minchen Ming
[Harrisburg, Pa.] : Pennsylvania. Bureau of Topographic and Geologic Survey, 1951

Government Document Thesis Book

11

Stratigraphy and paleontology of the Bloomsburg formation of Pennsylvania and adjacent States /

by Hoskins, Donald M.
[Harrisburg, PA.] : Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey, 1961

Government Document Book

12

Stratigraphy and paleontology of the Mahantango formation in south-central Pennsylvania /

by Ellison, Robert L.
Harrisburg, PA. : Pennsylvania, Bureau of Topographic and Geological Survey, 1965

Government Document Book

13

Fossil collecting in Pennsylvania /

by Hoskins, Donald M.
Harrisburg, Pa. : Pennsylvania Bureau of Topographic and Geologic Survey, 1964

Government Document Book

14

Common fossils of Pennsylvania /

by Hoskins, Donald M.
Harrisburg [Pa.] : Pennsylvania Bureau of Topographic and Geologic Survey, 1962

Government Document Book

15

Upper Cambrian fossils from Bucks County, Pennsylvania /

by Howell, Benjamin F. (Benjamin Franklin), 1890-1976
Harrisburg, PA. : Commonwealth of Pennsylvania, Department of Internal Affairs, Bureau of Topographic and Geological Survey, 1957

Book

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