I liked geomorphs. I like drawing them on and see the shape of the dungeon take form with unexplored corridors.
From what I remember, you had a good d88 table for them, with procedures for the number of rooms, special rooms, describtion, encounters in your Campaign Notes.
If there is room for improvements, I added a letter to quickly find the other tables for each entry when there is a table or note.
something like these.
Discovery
1) Special Room [A]
2) Special Room [A]
3) Special Room [A]
4) Geologic [B]
5) Geologic [B]
...
[A] Special Room
1) Shrine
2) Tomb
3) Prison
...
[B] Geologic
1) Pool
2) Pit
3) Moss
And if there was a series of rolls is required, a step by step of what to roll would help understand the procedures of generating the dungeons. Maybe it's in your documentation for the solo rpg but I didn't find it in the Campaign Notes. For example:
1. Roll for dungeon rooms and special rooms
2. Roll for dungeon theme and type
While exploring a new room,
1. Roll 1d8 for Discovery and follow the tables
* For each door... rolls...
2. Roll 2d8 for Dungeon Dressing
You have an amazing game to generate adventures, encounters, hexcrawl and dungeons. The procedures for both games are really good.
Have you considered to create a Shadowdark version?