Scale of Depth

Comprehensive visualization of the scale of depth under the earth's surface, enabling anyone to explore and compare the depth of different structures, landforms and phenomena, in a swift, clean and coherent fashion

- All figures included in both meters and feet

- Containing a comprehensive outline of depth, including the depths of various tunnels, caves, mineshafts, earthquake hypocenters and much, much more

- Largest graphical scale of its kind, with several hundred labels and a plethora of accompanying illustrations

- A quick and entertaining way to learn about the earth's underground