This archive tracks four layers. A record present in 1 of them (IND) is silent in the rest, and says so.
The Horus HeresyM30–M31
[RECORD LOST]
No record for this location in The Horus Heresy.
Age of the ImperiumM32–M40
[RECORD LOST]
No record for this location in Age of the Imperium.
The 41st Millenniumpre-Rift
[RECORD LOST]
No record for this location in The 41st Millennium.
Era Indomituspost-Rift
imperium
Attrition war under the Rift's light
A war-torn world where Cadian remnants and consolidated regiments grind against the Ruinous Powers, fought from inside a tank by people who cannot see any of it.
Position
Map frame: 886.6, 306.8 in the archive's 0–1000 disk space (core at 500, 500).
Distance from the core: 432 units ≈ 46k light years, north-east of the galactic core.
Height above the disk plane: 1.2 units — invented thin-disk jitter, deterministic per record. No published source gives any location a z coordinate.
System: Croatoas System
Books set here
1 title in the reading tracker touches this record, 1 of them as a primary location. Titles link out to the tracker.
Every fact in this record, and where it came from. Editorial derivations say so.
settinghigh
wh40k.lexicanum.com/wiki/Steel_Tread_(Novel ) §Cover Description — 'On the war-torn world of Croatoas, the armies of the Astra Militarum do battle with the twisted servants of the Ruinous Powers'
gposlow
inferred: named in the book's own description and placed nowhere by any published source. No segmentum is claimed; unsurveyed rim, no positional information