! ! ! ! ! ! F1 Black Mountain G1 South West of I-84 H1 Summit Guard Station D1 E3 A3 C3 A1 E1 C1 C2 E2 B2 B9 A4 B10 B1 B4 A6 B3 A2 B8 B6 A5 B5 B11 A7 B7 ELGIN ATHENA CAYUSE MEACHAM LA GRANDE PENDLETON Notification System Umatilla River Zone F, G & H Notification Boundary Zones Polygons ± 0 8 4 Miles