Original Dartmouth Winter Carnival Poster 1987. "Blizzard on Bourbon Street" was the theme of the poster. Offset lithograph, measures 29 1/4 x 23 inches. In very good condition.. Officially named Winter Carnival, the annual event evolved into a legendary festival once dubbed the Mardi Gras of the North by National Geographic magazine. This poster was designed by Thomas Ward, Class of '98. Our posters were purchased in bulk and come from the college.