You are not currently logged in.

Access your personal account or get JSTOR access through your library or other institution:


Log in to your personal account or through your institution.

Observations on the Trap Rocks of the Connewago Hills near Middletown, Dauphin County, and of the Stony Ridge near Carlisle, Cumberland County, Pennsylvania

John B. Gibson
Transactions of the American Philosophical Society
Vol. 2 (1825), pp. 156-166
DOI: 10.2307/1005056
Stable URL:
Page Count: 11
  • Download PDF
  • Add to My Lists
  • Cite this Item
We're having trouble loading this content. Download PDF instead.