3 - OLD LADIES' PROMENADE

First of all, we suggest to do a example survey with a very simple cave. None of Therion's most advanced features will be explained in this chapter, but it will be enough to explain how to insert survey data, how to draw, and how to compile your maps.

• 3.1 - THE PLAN
• 3.2 - EXTENDED ELEVATION
• 3.3 - CROSS_SECTIONS