Front:
7B-H155
Rock Harbor Lighthouse-Isle Royale National Park, Michigan
Back:
The Rock Harbor Lighthouse-Built in 1840
and used to guide the mine freighters enter-
ing Rock Harbor through middle channel.
Copper was mined on Isle Royale by abor-
igines several hundred years before the ad-
vent of the white miner. This lighthouse is
years.
NATIONAL PARK CONCESSIONS, INC., ISLE ROYALE NATIONAL PARK, MICH.
GENUINE CURTEICH-CHICAGO "C.T. ART.COLORTONE' POST CARD (REG.U.S. PAT. OFF.)
