...he Evans House, on Poydras street, to use as a hospital. A couple of Federal officers entered the book-store of Thomas L. White, on Canal street, and asked if they had any copies of the maps of the Mississippi river . The proprietor answered, Yes, sir. Well, said they, we want to buy one. How much is it? Mr. White mentioned that he did not sell them. They then left, and shortly after appeared with a squ...