1. Rainfall-chart of the United States : showing the distribution by isohyetal curves of the mean precipitation in rain ... Maps University Of Minnesota Public content 1880. Schott, Charles A. (Charles Anthony), 1826-1901. Relief shown by hachures.; "From material collected and observations made for the Smithsonian Institute." 49 x 71 centimeters Scale not given Gener... (Washington, D.C).