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Legend (Basemaps/Orange_County_Basemap_2026)

Freeway_Shields (1)
133 133
22 22
241 241
261 261
405 405
5 5
55 55
57 57
71 71
73 73
91 91
<all other values> <all other values>
Prado Basin Area (4)
Prado Freeways (7)
Prado Freeways (8)
Freeways 100001 - 350000 (9)
Freeway; Transportation Corridor Freeway; Transportation Corridor
Freeways 8001 - 100000 (10)
Freeway Ramp Freeway Ramp
Freeway; Transportation Corridor Freeway; Transportation Corridor
Arterial Centerlines 50001 - 100000 (12)
Arterial Centerlines 16001 - 50000 (13)
Arterial Centerlines 8001 - 16000 (14)
Prado Basin Arterial Centerlines 50001 - 100000 (15)
Prado Basin Arterial Centerlines 16001 - 50000 (16)
Prado Basin Arterial Centerlines 8001 - 16000 (17)
Prado Basin Local Centerlines 8001 - 20000 (19)
Local Local
Local Centerlines 8001 - 20000 (20)
Local Local
Primary Roads Outside OC (21)
Trees (22)
Trees 2018 Representation (23)
Rule_1 Rule_1
Grass (24)
RailLines (25)
Building Footprints (26)
Building Footprints Representation (27)
Rule_1 Rule_1
JWA Operation Area (28)
County Boundary (29)
Minor Water Features (30)
Hydrology Features (31)
Parks (33)
osparks (34)
Cities (35)
County_Boundaries (36)
Prado_Basin_Cities_Clip (38)
Prado_Basin_Cities (39)
Chino Chino
Chino Hills Chino Hills
Corona Corona
Eastvale Eastvale
Norco Norco
Unincorporated Unincorporated
<all other values> <all other values>
County_Boundaries (40)
Pacific Ocean (41)
Slope (42)
High : 90 - Low : 0 High : 90 - Low : 0
Hillshade (43)
255 - 0 255 - 0
OC_DEM_1m_2023.tif (44)
5688.18 - -20.6576 5688.18 - -20.6576
Hillshade_So_CA_10ft_DEM_Meters_Basemap1.tif (45)
High : 255 - Low : 0 High : 255 - Low : 0