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ROYAL O
AK RD
LAKE
VIEW AVE
IMPERIAL HWY
KE
LLOGG
DR
YORBA LINDABLVD
LA PALMA AVE
MIRALOMA AVE
RIVERDALE AVE
LA PALMA AVE
NOHL RAN
CH RD
FAIRMONT B
LVD
ORANGETHORPE AVE
CANYON RIM RD
MONTE VISTA RD
OAK CANYON DR
SERR
ANO
AVE
WEIR CANYONRD
SERRAN
O
AVEANA
HEIM
H
ILL
SRD
YORBA L
INDA FWY
MEATS A
VE
SANTA
ANA CAN YON RD
SANTA A
NACA
NYO
NRD
¯
0 0.5 10.25
Miles
Tier 3
Extreme Tier 3
Extreme
Tier 3
Extreme
Tier 3
Extreme
Tier 2
Elevat
ed
Tier 1
Lo
w
Tier 1
Lo
w
Tier 1
Lo
w
Tier 1 Low
Vicinity Map
Underground District No. 70
Wildfire Mitigation Undergrounding in Fire Threat Zones Key to Features
CPUC Fire Thr
eat Zones
Tier 1 Low
Tier 2 Elevated
Tier 3 Extreme
UD70
1 3
4 5
2 6
7 Proposed Underground
Segments Project Street Name
1 Martella Ln
2 Del Giorgio Rd
3 Coyote/Timken Rd
4 Cooks Corner
5 Country Hill Rd
6 Nohl Ranch Rd
7 Oak Canyon Nature Center