Rain chart of the United States. Showing the distribution by isohyetal lines of the mean precipitation in rain and melted snow for the year. Constructed under the direction of Prof. Joseph Henry, Sec'y. Smithsonian Institution from materials collected and observations made for the Smithsonian Institution by Chas. A. Schott, Asst., U.S. Coast Survey, with additions to 1872. (Julius Bien, Lith., 1874)