Special report on the trap dykes and Azoic rocks of southeastern Pennsylvania
Hunt, Thomas Sterry
1826-1892
creator
text
pau
Harrisburg
Pub. by the Board of commissioners for the Second geological survey
1878
monographic
eng
Exxi, E253, 2, [1] p. front. (map) 23 cm.
By T. Sterry Hunt. Part I. Historical introduction.
At head of title: Second geological survey of Pennsylvania: 1875.
No more published.
Geology
Pennsylvania
Geology, Stratigraphic
Archaean
QE653 .H94
Report of progress (Geological Survey of Pennsylvania), E
gs 07000713
U.S. Geol. Survey. Library
810923
20260227111306.0
gs 07000713