Colorado 1979 Shaded Relief Map Frame:Black We created this map with

We created this map with the illusion of 3D by applying Digital Elevation Data and meticulously adding shaded relief to the landscape of the original 1954 San Francisco

It’s a simple

to help lobby Congress to pass the Yellowstone National Park Act of 1872

or California Salmon

Made from combining over 60 historic USGS topographic maps together with modern elevation data

Colorado 1979 Shaded Relief Map Frame:Black We created this map withWe created this map with the illusion of 3D by applying Digital Elevation Data and meticulously adding shaded relief to the landscape of the original 1979 Colorado 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 is not