Relief shown by shading and spot heights. City street map with hyperboloid projection, resulting in a shifting scale, ranging from 1:20,000 in the city center to 1:40,000 in outlying areas. "Projeção hiperboloid com rêde kilométrica." "Código no. 1360." Oriented with north toward the lower right. Lewis Map/Geospatial Information Center does not have the companion guide.