2
Author: Fettke, Charles R. 1888-1959.
Published 1941
Record Source: Published Materials
Subjects and Genres: '; ...Geology, Stratigraphic....
Book
3
Author: Prouty, Chilton Eaton, 1914-
Published 1959
Record Source: Published Materials
Subjects and Genres: '; ...Geology Pennsylvania....
Book
5
Author: Faill, Rodger T.
Published 1991
Record Source: Published Materials
Subjects and Genres: '; ...Geology Pennsylvania....
Book
6
Record Source: Published Materials
Subjects and Genres: '; ...Geology Periodicals....
Journal
8
Author: Swartz, Frank McKim, 1899-
Published 1950
Record Source: Published Materials
Subjects and Genres: '; ...Geology, Stratigraphic Cambrian....
Book
9
Author: Laird, Wilson Morrow, 1915-
Published 1941
Record Source: Published Materials
Subjects and Genres: '; ...Geology Pennsylvania....
Book
10
Author: Lyell, Charles, Sir, 1797-1875.
Published 1839
Record Source: Published Materials
Subjects and Genres: '; ...Geology....
Book
11
Author: Mather, W. W. 1804-1859.
Published 1838
Record Source: Published Materials
Subjects and Genres: '; ...Geology....
Book
12
13
Author: Page, David, 1814-1879.
Published 1846
Record Source: Published Materials
Subjects and Genres: '; ...Geology....
Book
14
Published 1969
Record Source: Published Materials
Subjects and Genres: '; ...Geology New Jersey....
Book
15
Author: Willard, Bradford, 1894-
Published 1938
Record Source: Published Materials
Subjects and Genres: '; ...Geology Pennsylvania....
Book
16
Author: Willard, Bradford, b. 1894.
Published 1938
Record Source: Published Materials
Subjects and Genres: '; ...Geology Pennsylvania Harrisburg area....
Book
19
Author: Ebright, John R.
Published 1952
Record Source: Published Materials
Subjects and Genres: '; ...Geology Pennsylvania....
Book
20
Author: Delano, Helen L.
Published 1991
Record Source: Published Materials
Subjects and Genres: '; ...Geology Pennsylvania....
Book