Correspondence in subject [X]
Miami Conservancy District (Ohio) in subject [X]
Kuhns, Ezra M., 1872-1960 in subject [X]
Military bases, American -- Ohio in subject [X]
Wright, Wilbur, 1867-1912 -- Monuments in subject [X]
Maps (documents) in subject [X]
Patterson, Frederick B in subject [X]