Special report on the trap dykes and azoic rocks of southeastern Pennsylvania
By: by T. Sterry Hunt.
Series: CIHM/ICMH Microfiche series = CIHM/ICMH collection de microfiches -- no. 07762; CIHM/ICMH microfiche series -- no. 07762
Publisher: Board of Commissioners for the Second Geological Survey
Published: 1878
Place of publication: Harrisburg [Pa.]
Language: eng
Format: Microform
Number of pages: 147
Subjects: Geology -- Pennsylvania.; Geology, Stratigraphic -- Archaean.; Géologie -- Pennsylvanie.; Géologie stratigraphique -- Archéen.