| GMD | Map |
| Classification | F4051.P2 1978 |
| Publisher | General Drafting Co, New Jersey, 1989 |
| Subject | Chicago Region (Ill.) Maps.Los Angeles Region (Calif.)Maps.San Francisco Bay Area (Calif.) Maps. |
| Description | 1 map : col. ; 89 x 90 cm. on sheet 60 x 93 cm., folded to 13 x 10 cm. |