NPCs composing that spawngroup :

Burynai_Excavator (50%)

Burynai_excavator (50%)

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

kurn_1, range=14 (135,-200,5)

kurn_5, range=37 (103,-223,-102)

greater_scalebone (100%)

kurn_7, range=26 (129,-217,-22)

kurn_8, range=55 (108,-244,4)

kurn_10, range=45 (87,-218,-102)

kurn_17, range=93 (60,-259,-99)

Burynai_excavator (50%)
lesser_charbone_skeleton (50%)

kurn_30, range=86 (201,-152,-22)

kurn_31, range=94 (202,-137,-22)

kurn_32, range=40 (128,-151,-23)

Burynai_Excavator (100%)

kurn_33, range=58 (172,-225,-102)

Burynai_sapper (100%)

kurn_34, range=99 (156,-98,-103)

lesser_charbone_skeleton (100%)

kurn_35, range=96 (80,-278,-99)

kurn_36, range=85 (199,-232,-102)

kurn_37, range=49 (146,-147,-104)

kurn_38, range=72 (172,-137,-104)

kurn_39, range=91 (76,-113,-105)

kurn_43, range=35 (89,-183,-102)

kurn_87, range=56 (71,-211,-24)

Burynai_burrower (50%)
Burynai_Excavator (50%)

kurn_89, range=27 (151,-190,-25)

kurn_109, range=85 (143,-108,-24)

kurn_144, range=49 (75,-187,-23)

kurn_145, range=85 (46,-156,-40)

Burynai_Excavator (50%)
greater_scalebone (50%)

kurn_146, range=95 (60,-120,-40)

kurn_156, range=58 (66,-197,-104)

Burynai_excavator (50%)
Burynai_sapper (50%)

kurn_165, range=94 (34,-219,132)

kurn_175, range=77 (52,-163,124)

kurn_176, range=84 (63,-250,124)

kurn_178, range=17 (116,-175,124)