USA Quadrant SE 1932 Shaded Relief Map San Diego because it does not use

because it does not use cracks or dots to reproduce tone

from the "Report upon United States Geographical Surveys

and Coturniculus

The California Hydrological Map shows in fascinating detail how the state’s rivers and streams flow and interconnect

USA Quadrant SE 1932 Shaded Relief Map San Diego because it does not useWe created this map with the illusion of 3D by applying Digital Elevation Data and meticulously adding shaded relief to the landscape of the original 1932 Southeast USA Geological map. The shading is printed on the paper and not a result of the map protruding from the surface. Please Note: Text on the map can be difficult to read due to the small font size and the age of the map. In areas where the relief shading covers the text, the underlying text