First[-sixth] annual report on the Geological survey of Pennsylvania.
By: By Henry D. Rogers, state geologist, [1836-1841].
Contributors: Rogers, Henry Darwin, 1808-1866.
Published: 1836
Place of publication: Harrisburg
Language: eng
Subjects: Geology -- Pennsylvania.
Notes: Title varies: 1st: annual report of the state geologist ... 2d, 5th: annual report on the Geological exploration ... 3d-4th, 6th: annual report on the Geological survey ... Issued as Senate and House editions.

There is an edition of the 5th (addressed neither to the Senate nor House with title: Fifth annual report on the Geological survey of Pennsylavania ...

LIBRARY HAS: v. 2-3, 5.