Features Man's Farthest Aloft Twenty-Four Pages Of Illustration In Full Color Published By The National Geographic Society Hubbard Memorial Hall Washington D.C.
Features Special Map Supplement Of Canada Twenty-Four Pages Of Illustration In Color Published By The National Geographic Society Hubbard Memorial Hall Washington D.C.
Features Special Map Supplement Of The Pacific Twenty-Four Pages Of Illustration In Full Color Published By The National Geographic Society Hubbard Memorial Hall Washington D.C.