Home › Second Geological Survey of Pennsylvania. › Second Geological Survey of Pennsylvania: 1874-'5-'6. S Second Geological Survey of Pennsylvania: 1874-'5-'6. by John Peter Lesley · 1876 · Book 7 of Second Geological Survey of Pennsylvania. Buy on Amazon About “Second Geological Survey of Pennsylvania: 1874-'5-'6.” Second Geological Survey of Pennsylvania: 1874-'5-'6. is a 1876 book by John Peter Lesley. It is part of the series Second Geological Survey of Pennsylvania.. Book details First published 1876 ← Second Geological Survey of Pennsylvania: 1874-5. All Second Geological Survey of Pennsylvania. books in order Second Geological Survey of Pennsylvania: 1875. →