Your procedures are among the best I've seen in the solo rpg. It's among the best dungeons procedure that I've tried. Easy to run, simple & inspiring table. I use them with my other rule system (FORGE, Plight, OSE). I got your other
You could add more table for monster encounters per terrain for low level/mid-level and you have an amazing tool for any OSR game!
There are a few new solo rpg like Plight and FORGE that packages a lot of procedures, but none come close to the experience you have. After playing a few games of Four Against the Darkness, I was hoping to find something closer to D&D 1e/2e. Your system works perfectly.