• publisher: Philadelphia : James Kay, Jun. & Brother ; Pittsburgh : John I. Kay & Co.
  • creator: Geological Society of Pennsylvania Latham, Allen, 1792-1871, former owner. DSI Merrill, George P. (George Perkins), 1854-1929, former owner. DSI
  • contributor: Latham, Allen, 1792-1871, former owner. DSI Merrill, George P. (George Perkins), 1854-1929, former owner. DSI
  • Keyword: Geology Pennsylvania Philadelphia Societies, etc. Geologists Pennsylvania Philadelphia Directories.
  • years: 1834-1835.
  • pages: 2 pts. in 2 v., [26] leaves of plates (19 folded) :
  • notes: Part 1 has t.p., with imprint: Philadelphia: Published by the Society ; W.P. Gibbons, 1834; it appears to be a second edition of that part,differing slightly from the other edition in typography, arrangement, etc., and accompanied by an appendix entitled: Observations on the geology of York County, Pennsylvania, by Thos. G. Clemson, read October 29, 1834. (13 p.)
  • download: pdf file