NPCs composing that spawngroup :

Burynai_Excavator (25%)

Burynai_excavator (25%)

Burynai_Excavator (25%)

greater_skeleton (25%)

NPCs spawning around that spawngroup :
(Max range : 100)

kurn_30, range=71 (201,-152,-22)

kurn_31, range=60 (202,-137,-22)

kurn_32, range=67 (128,-151,-23)

Burynai_Excavator (100%)

kurn_34, range=7 (156,-98,-103)

lesser_charbone_skeleton (100%)

kurn_37, range=57 (146,-147,-104)

kurn_38, range=46 (172,-137,-104)

kurn_39, range=87 (76,-113,-105)

kurn_40, range=20 (153,-74,-104)

kurn_57, range=71 (188,-26,-118)

greater_scalebone (100%)

kurn_75, range=96 (248,-49,-118)

Burynai_sapper (50%)
lesser_icebone_skeleton (50%)

kurn_76, range=79 (223,-41,-118)

Burynai_excavator (50%)
Burynai_sapper (50%)

kurn_88, range=11 (155,-83,-24)

Burynai_burrower (50%)
Burynai_Excavator (50%)

kurn_89, range=98 (151,-190,-25)

kurn_97, range=53 (128,-51,-49)

kurn_98, range=75 (104,-44,-49)

kurn_99, range=86 (124,-14,-49)

kurn_107, range=46 (121,-71,-24)

kurn_109, range=24 (143,-108,-24)

kurn_178, range=94 (116,-175,124)

kurn_180, range=91 (81,-49,129)

a_skeletal_cook (25%)
thick_boned_skeleton (75%)

kurn_182, range=56 (137,-42,9)

scalebone_skeleton (100%)