Search Results

1

Clay and shale resources in Pennsylvania /

by Leighton, Henry, 1884-
Harrisburg, Pa. : Dept. of Internal Affairs, Topographic and Geologic Survey, 1959

Government Document Book

2

Greater Pittsburgh region properties and uses of clays and shales / by Bernard J. O'Neill, Jr. Prepared by the Pennsylvania Bureau of Topographic and Geologic Survey in cooperation...

Harrisburg : Commonwealth of Pennsylvania, Department of Environmental Resources, Bureau of Topographic and Geologic Survey, 1976

Book

3

Properties and uses of Pennsylvania shales and clays /

by O'Neill, Bernard J., 1920-
Harrisburg, PA. : Pennsylvania, Bureau of Topographic and Geologic Survey, 1973

Government Document Book

4

The mineral production of Pennsylvania.

Harrisburg, Pa. Pennsylvania Geological Survey, 1915

Book

5

Atlas of Pennsylvania's mineral resources.

[Harrisburg] Commonwealth of Pennsylvania, Department of Internal Affairs, Topographic and Geologic Survey, 1964
4th series.

Government Document Book

6

Fire clays of Pennsylvania /

by Shaw, J. B. (Joseph Bradfield), 1884-
Harrisburg, Pa. : Dept. of Forests and Waters, Topographic and Geologic Survey, 1928

Book

7

Properties and uses of Pennsylvania shales and clays,

Harrisburg [Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey] 1965

Book

8

Properties and uses of shales and clays, southwestern Pennsylvania /

by O'Neill, Bernard J., 1920-
Harrisburg : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey, 1979

Book

9

Analyses and potential uses of selected shales and clays, Greene County, Pennsylvania /

by Roen, John B.
Harrisburg : Commonwealth of Pennsylvania, State Planning Board, Bureau of Topographic and Geologic Survey, 1969

Book

10

Atlas of Pennsylvania's mineral resources /

Harrisburg : Topographic and Geologic Survey, State of Pennsylvania, 1964
Fourth series.

Book

11

Clay and shale resources in southwestern Pennsylvania /

by Leighton, Henry, 1884-
Harrisburg, Pa. : Dept. of Internal Affairs, Topographic and Geologic Survey, 1932

Government Document Book

12

Atlas of Pennsylvania's mineral resources.

Harrisburg, 1964

Book

13

Clay and shale resources in Pennsylvania /

by Leighton, Henry, 1884-
Harrisburg, Pa. : Dept. of Internal Affairs, Topographic and Geologic Survey, 1941

Government Document Book

14

Greater Pittsburgh region properties and uses of clays and shales.

by O'Neill, Bernard J., 1920-
Harrisburg [Topographic and Geologic Survey], 1976

Book

15

Clay and shale resources in Pennsylvania /

by Leighton, Henry, 1884-
Harrisburg, Pa. : Dept. of Internal Affairs, Topographic and Geologic Survey, 1941

Government Document Book

16

Atlas of Pennsylvania's mineral resources.

Harrisburg, Topographic and Geologic Survey, State of Pennsylvania, 1964
4th series.

Government Document Reference Material

17

Properties and uses of Pennsylvania shales and clays, Southeastern Pennsylvania /

by Hoover, Karl V. (Karl Victor)
Harrisburg, Pa. : Pennsylvania, Bureau of Topographic and Geologic Survey, 1971

Government Document Book

18

Clay and shale resources in southwestern Pennsylvania /

by Leighton, Henry, 1884-
Harrisburg, Pa. : Dept. of Internal Affairs, Topographic and Geologic Survey, 1932

Government Document Book

19

Greater Pittsburgh region properties and uses of clays and shales /

by O'Neill, Bernard J., 1920-
Harrisburg, Pa. : Commonwealth of Pennsylvania [Dept. of Environmental Resources], Bureau of Topographic and Geologic Survey, 1976

Book

20

Properties and uses of shales and clays, south-central Pennsylvania /

by O'Neill, Bernard J., 1920-
Harrisburg, Pa. : Pennsylvania Bureau of Topographic and Geologic Survey, 1981

Government Document Book

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