Preliminary Plan for a Collection of the Building and Ornamental Stones and Rocks of the United States, to be Exhibited at the World's Industrial and Cotton Centennial Exposition of 1884-1885, at New Orleans by David Starr Jordan, John Murdoch, William Healey Dall, Leonhard Stejneger, Robert Ridgway, Temple Prime, United States National Museum, Frank Wigglesworth Clarke, Cyrus Thomas, Asa Gray, George Brown Goode, Joseph T. Rothrock, Theodore Gill, Edward William Nelson, Charles Bendire, Frederick William True, Robert Wilson Shufeldt, Tarleton Hoffman Bean, Charles Henry Fernald, Charles Henry Gilbert, Elisha Slade, Frederic Perkins Dewey, George Perkins Merrill, Herman George Dresel (d), John Adam Ryder, Joseph Swain, Richard Rathbun, Romyn Hitchcock, Rosa Smith Eigenmann, Seth Eugene Meek, Sidney Irving Smith, Walter Frank Raphael Weldon