價格：免費
更新日期：2015-08-21
檔案大小：17M
目前版本：1.0
版本需求：Android 3.1 以上版本
官方網站：http://halcyonmaps.com
Email：transcension21@gmail.com
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