In his 13th Annual Report for the year 1884, Winchell listed many of the materials send to the exposition.
The exhibit of the survey at the New Orleans Industrial and Cotton Centennial Exposition is quite extensive. It embraces the following parts:
683 specimens of Minnesota crystalline rock samples.
specimens of other Minnesota, rock samples.
56 specimens of Minnesota minerals.*
304 specimens of Minnesota fossils.*
57 specimens of Minnesota mammals (stuffed).
specimens of Minnesota birds (stuffed).
28 specimens of Minnesota soils.
49 specimens of Minnesota plants.
58 specimens of Minnesota woods.
specimens of eggs of Minnesota birds.
21 specimens of Minnesota building stones.
specimens of Minnesota (Red Wing) pottery.
126 specimens of manufactured articles of catlinite.
21 miscellaneous specimens of Minnesota rocks, slates, granites, iron ores, clays, etc.
20 maps of the state, of the scale of ten miles to the inch, designed to show the physical features, geology, distribution of timber, and the main features of climate and soil.
66 meteorites from all parts of the world.
16 bound volumes representing the stated publications of the survey.
* This number expresses the register entries; the specimens were two or three times as many.