Front:
VARNING IT
Na 4
8PILLWAY AND PÄRK AT BLUE HOLE, CASTALIA, O
Back:
DEFENDER
10-4-3/
CASTALIA BLUE HOLE
Discovered by Robert Rogers, 1760, the
most extraordinary Spring in existence.
Unknown depth, visible depth 45 feet, and
75 feet in diameter, source
water under
ground river. Temperaturel 18 degrees win-
ter and summer It ever freezes and is
not affected by floods or arouth. Dis-
charges 5,000 gallons of water every min-
ute. Fish can not live in Blue Hole, as it
is absolutely free from air or food. The
water is blue in color and extremely clear
and supplies water for a brook trout fish-
ing club.
Photo: By C C. Messmore,
Lorain, O.
DEFENDER