Natures Masterpiece, Niagara Cave, Iowa-Minnesota Line, Harmony, MN [Postcard]

POSTCARD TITLE:   Natures Masterpiece, 1200 Centuries in the Making, Niagara Cave, Iowa-Minnesota Line

POSTMARK:   Unused

PUBLISHER:   Niagara Cave, Decorah, Ia., Near Cresco, Ia., and Harmony, Minn.

TYPE/BACK:    Linen, Divided Back

COMMENTS:   Niagara Cave, 1200 centuries old, 200 feet underground.  High ceilings, crystal formations, roaring water, 60 foot waterfall, endless caverns.  25 miles north of Decorah, Iowa, 15 miles north of Cresco, Ia., 4 miles southwest of Harmony, Minn., 45 miles south of Rovhester, Minn. on U.S. Highway No. 52.  On all weather roads.  Niagara Cave is open until 10 PM every day of the year.

Nice coloring.  The corners of the card are slightly rounded.  Check the photo for more details.