The Relief Map for Desk Use, model 1-01650-00, is a tactile map designed to show elevations in the United States for individuals who are blind or have low vision. This relief map shows the continental U.S. with elevations that are exaggerated 20 times in relation to horizontal areas. Ocean floors are incised with latitude and longitude lines. This map uses high-contrast paint to depict water areas as blue and land surfaces as yellow and brown. DIMENSIONS: 21.25 x 15.25 inches.