NPCs composing that spawngroup :

Burynai_burrower (50%)

greater_scalebone (50%)

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

kurn_1, range=90 (-53,144,4)

greater_skeleton (100%)

kurn_5, range=71 (-80,215,45)

greater_scalebone (100%)
greater_scalebone (100%)

kurn_8, range=86 (26,303,-8)

kurn_9, range=85 (51,283,-8)

scalebone_skeleton (100%)

kurn_41, range=82 (66,258,-49)

Burynai_sapper (100%)

kurn_47, range=41 (-18,263,-121)

kurn_49, range=46 (-51,240,-121)

kurn_53, range=96 (-92,272,-122)

Burynai_excavator (100%)

kurn_54, range=22 (-31,220,-121)

Burynai_excavator (50%)
Burynai_sapper (50%)

kurn_55, range=74 (-82,226,-126)

kurn_62, range=82 (64,182,-116)

kurn_66, range=78 (45,165,-116)

kurn_67, range=52 (15,176,-116)

kurn_100, range=61 (3,283,-49)

Burynai_excavator (100%)

kurn_101, range=94 (-73,292,-67)

Burynai_burrower (50%)
Burynai_excavator (50%)

kurn_103, range=76 (-83,209,-67)

Burynai_Excavator (50%)
Burynai_Excavator (50%)

kurn_105, range=72 (-62,271,-49)

Burynai_excavator (50%)
Burynai_excavator (50%)

kurn_113, range=89 (10,311,-49)

Burynai_burrower (50%)
Burynai_excavator (50%)

kurn_116, range=48 (39,213,-49)

Burynai_Excavator (100%)

kurn_117, range=48 (-44,191,-49)

Burynai_Excavator (50%)
Burynai_Excavator (50%)

kurn_119, range=66 (-37,163,-49)

Burynai_excavator (50%)
Burynai_Excavator (50%)

kurn_120, range=76 (-9,147,-49)

kurn_122, range=37 (21,200,-49)

Burynai_Excavator (50%)
Burynai_sapper (50%)

kurn_123, range=58 (39,187,-49)

Burynai_excavator (100%)

kurn_128, range=81 (72,238,-39)

kurn_183, range=22 (13,216,48)

greater_skeleton (100%)