The frozen forest - The Tichnor Brothers Postcard Collection
Summary
There is an abundance of crystal formations in Lost River Caverns located at Hellertown, Pa., just south of Bethlehem on Rt. 412. Gilman's Museum - rock shop - bring your camera. Open every day and evening all year.
Courtesy of Boston Public Library
Tags
Date
1930 - 1945
Source
Boston Public Library
Copyright info
Public Domain