Author: Zephyr Frank
Higher Elevation = Higher Values
Black Lines = Tinker Locations
Source: Decima Urbana 1870 and Almanak Laemmert 1870
Source: Almanak Laemmert, 1849 and 1870. Networks drawn with ArcGIS network analyst, measuring by Manhattan (street) distance.
Published in: Frank, Zephyr. "Layers, Flows and Intersections: Jeronymo José de Mello and Artisan Life in Rio de Janeiro, 1840s-1880s." Journal of Social History (winter 2007): 319.