• publisher: Pub. by the Board of commissioners for the second geological survey
  • creator: John Franklin Carll , Pennsylvania Board of commissioners for the second geological survey
  • contributor: University of Michigan
  • mediatype: texts
  • years: 1883
  • pages: 481
  • language: English
  • notes: At head of title: Second geological survey of Pennsylvania: 1880-1883.
  • download: pdf file