NPCs composing that spawngroup :

Burynai_excavator (33%)

Burynai_sapper (34%)

greater_scalebone (33%)

NPCs spawning around that spawngroup :
(Max range : 200)

kurn_1, range=154 (73,133,3)

greater_skeleton (100%)
greater_skeleton (100%)

kurn_4, range=170 (15,-58,127)

an_odd_mole (100%)

kurn_8, range=72 (99,9,4)

kurn_9, range=172 (97,170,21)

scalebone_skeleton (100%)
scalebone_skeleton (100%)

kurn_11, range=143 (110,143,3)

greater_scalebone (50%)
greater_skeleton (50%)

kurn_13, range=178 (162,192,3)

kurn_15, range=157 (82,143,3)

kurn_16, range=17 (169,31,-134)

lesser_charbone_skeleton (50%)
lesser_icebone_skeleton (50%)

kurn_22, range=163 (140,175,3)

kurn_30, range=168 (201,-152,-22)

kurn_31, range=154 (202,-137,-22)

kurn_32, range=169 (128,-151,-23)

Burynai_Excavator (100%)

kurn_34, range=112 (156,-98,-103)

lesser_charbone_skeleton (100%)
lesser_charbone_skeleton (100%)

kurn_37, range=162 (146,-147,-104)

kurn_38, range=151 (172,-137,-104)

kurn_39, range=157 (76,-113,-105)

kurn_40, range=89 (153,-74,-104)

kurn_44, range=180 (-9,29,-116)

kurn_57, range=43 (188,-26,-118)

greater_scalebone (100%)
greater_scalebone (100%)

kurn_58, range=33 (180,46,-119)

Burynai_Excavator (50%)
Burynai_sapper (50%)

kurn_59, range=119 (139,129,-116)

Burynai_excavator (50%)
Burynai_sapper (50%)

kurn_60, range=164 (152,177,-116)

Burynai_sapper (100%)

kurn_61, range=162 (165,176,-116)

Burynai_excavator (50%)
lesser_icebone_skeleton (50%)

kurn_62, range=199 (64,182,-116)

kurn_63, range=154 (43,-73,-108)

Burynai_excavator (100%)

kurn_64, range=7 (178,16,-120)

kurn_65, range=107 (166,121,-116)

kurn_66, range=196 (45,165,-116)

kurn_68, range=152 (22,-17,-118)

kurn_74, range=144 (38,70,-116)

kurn_75, range=99 (248,-49,-118)

Burynai_sapper (50%)
lesser_icebone_skeleton (50%)

kurn_76, range=75 (223,-41,-118)

Burynai_excavator (50%)
Burynai_sapper (50%)

kurn_77, range=120 (284,-28,-120)

Burynai_excavator (50%)
greater_scalebone (50%)

kurn_78, range=130 (300,-8,-118)

Burynai_sapper (50%)
lesser_icebone_skeleton (50%)

kurn_79, range=129 (300,17,-118)

Burynai_Excavator (50%)
Burynai_sapper (50%)

kurn_86, range=190 (10,-87,-106)

kurn_88, range=97 (155,-83,-24)

Burynai_burrower (50%)
Burynai_Excavator (50%)

kurn_92, range=175 (11,-57,-39)

kurn_93, range=155 (29,-50,-39)

Burynai_excavator (100%)

kurn_94, range=109 (67,-19,-39)

kurn_95, range=139 (224,142,-39)

Burynai_excavator (100%)

kurn_96, range=198 (11,-104,-40)

Burynai_Excavator (50%)
greater_skeleton (50%)

kurn_97, range=77 (128,-51,-49)

kurn_98, range=88 (104,-44,-49)

kurn_99, range=54 (124,-14,-49)

kurn_104, range=110 (154,123,-39)

kurn_107, range=98 (121,-71,-24)

kurn_109, range=125 (143,-108,-24)

kurn_114, range=106 (162,-92,-24)

kurn_115, range=56 (137,58,-39)

Burynai_Excavator (50%)
lesser_icebone_skeleton (50%)

kurn_132, range=187 (-8,70,-39)

Burynai_excavator (50%)
Burynai_sapper (50%)

kurn_146, range=174 (60,-120,-40)

kurn_160, range=105 (66,3,9)

greater_skeleton (100%)

kurn_170, range=160 (22,-46,131)

kurn_174, range=160 (45,-86,130)

kurn_178, range=196 (116,-175,124)

kurn_180, range=109 (81,-49,129)

a_skeletal_cook (25%)
thick_boned_skeleton (75%)

kurn_182, range=65 (137,-42,9)

scalebone_skeleton (100%)

kurn_183, range=182 (13,104,6)

greater_skeleton (100%)
greater_skeleton (100%)

kurn_186, range=142 (29,19,104)

kurn_187, range=160 (13,-13,104)

kurn_188, range=184 (-13,29,104)

greater_skeleton (50%)
scalebone_skeleton (50%)

kurn_189, range=85 (93,48,104)

kurn_190, range=97 (93,73,104)

kurn_191, range=76 (109,58,-39)

an_undead_jester (20%)
thick_boned_skeleton (80%)

kurn_192, range=171 (0,31,-39)

fingered_skeleton (20%)
thick_boned_skeleton (80%)