Stratigraphy of the Devonian Trimmers Rock in eastern Pennsylvania.
Frakes, Lawrence A.
Stratigraphy of the Devonian Trimmers Rock in eastern Pennsylvania. - Harrisburg [Topographic and Geologic Survey] 1967. - ix, 208 p. illus., maps (1 fold. in pocket) 23 cm. - Pennsylvania. G51. . - General geology report ; G51. .
"Pennsylvania Geological Survey. 4th series." Spine title: Devonian Trimmers Rock in eastern Pennsylvania.
Thesis--UCLA, 1964.
68065533
Geology, Stratigraphic--Devonian.
Petrology--Pennsylvania.
Stratigraphy of the Devonian Trimmers Rock in eastern Pennsylvania. - Harrisburg [Topographic and Geologic Survey] 1967. - ix, 208 p. illus., maps (1 fold. in pocket) 23 cm. - Pennsylvania. G51. . - General geology report ; G51. .
"Pennsylvania Geological Survey. 4th series." Spine title: Devonian Trimmers Rock in eastern Pennsylvania.
Thesis--UCLA, 1964.
68065533
Geology, Stratigraphic--Devonian.
Petrology--Pennsylvania.