I've lost/forgotten to take some images, so there are a few gaps.
I didn't realise how large some of them were either, so I've put them in spoilers.We've struck a deal with the human nomads; we provide them with armour and weapons, they help us fight the goblins.
However, if they are to have a chance, they will need some good equipment. I decided adamantine should do the job. We'll need to do some digging to get it though.
I've ordered the mines enlarged and the caverns walled off.
Enlarging the entrance to the mines.
Enlarging the stairs through the cavern and walling it off.
Mining down, we soon found a second layer of caverns.
They too were walled of fairly quickly.
I was receiving constant complaints from the workers about lack of materials, interrupted only by a strange mood.
I traced the complaints back to some work orders, which I cancelled. The manager was not happy with this.
The moody dwarf produced a prase cabinet. Could be useful for decorating the queen's quarters.
A scene from last years siege, and some yeti or other.
A third layer of caves was reached.
Walling this one up took longer due to constant attacks by hungry heads. The miners and builders had no trouble fighting them off, and soon the area was littered with hungry head skulls and teeth.
One of the scouts was ambushed by a black mamba woman.
They were paralysed and died soon after.
Anger spread through the fortress at their death, and the military was sent out for vengeance!
The miners continued down, and soon reached magma.
I ordered them to come up a bit and dig exploratory tunnels.
At this point a second dwarf went into a strange mood.
Rather dull, save for another image of that yeti. Nice of them to use up some of the hungry head bones, though.
Mining continues, digging around the warm patches of stone.
At this point I'm starting to get annoyed at the lack of adamantine.
Oh no!
There are a lot more of them than last year's siege. They outnumber our military 3 to 1. I order the gate to be closed.
I now realise that the mines are dug from the surface rather than inside the fort. Our miners are now stuck underground.
A tunnel is dug from the lower layers of the fort to the mines, and the stairs up are removed.
Another strange mood!
I don't have time for this, there is fortress defending to do!
Things have gotten worse. Her royal highness comicraider is trapped in the upper layers of the mines, above the removed stairs!
The goblins haven't found her yet, so I order the stairs rebuilt.
Oh, one has found her. She is holding her own though, until this happens:
She is determined not to give up the fight.
It not enough, and the goblin slays her, leaving her body in the mines
The moody dwarf clearly didn't find what he needed.
UselessMcMiner took them out easily.
A forgotten beast has turned up.
The caves are sealed off, so it can't do anything.
Still nothing from the miners. Almost the entire level has been explored with nothing found and the year is nearing its end. Reports of striking almadine are getting on my nerves.
A fourth dwarf has gone into a strange mood.
Both they and I, however, have failed to get anything done before the end of the year.
Looking at the wiki, I've realised that I could have safely dug through the warm stone, as well as much of it on the layer below, as it is above rather than next to magma. Oops.
Also, the embark looks small, so it is possible that there isn't any adamantine at all.
This also happened at some point, but I can't remember when.
At this point someone could take another year to finish what I've started, or we could give up and do adventure mode without dwarven assistance. I don't mind.
Save:
https://www.dropbox.com/sh/d6xdc89t4zdc1sz/AABLC-rB6s61YIHK7ZgIC9YVa?dl=0