Mineral Day at the World's Fair

Monday, June 17, 1940 was Mineral Day at the New York World's Fair.

Mineral Day at the 1939-40 New York World's Fair by Mitchell Portnoy of New York.

This 49-page paper is an essential guide to the mineral displays of various countries at the New York World's Fair and is available for FREE. Visit http://www.pmphoto.to/worlds_fair/index.htm to download the file.