Front:
GLACIAL DEPOSIT OF BLUE ROCK NEAR LENHARTSVILLE, PA.
Back:
The Famous Blue Rocks near Lenhartsville, Berks Co., Pa.
Along Route 143. A natural wonder. Glacial deposit
1 mile long covering 15 acres 12 to 15 feet deep. Open
all year.
Mow,
June 9, 18
25xen.
HERE
