Rich and comprehensive visualization of the underground regions of the Earth
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