| Name: | PD 541-a (DA 60) | |
| PD: | PD 541-a | |
| Title: | Section plan of area Δ in 1932. | |
| Artist: | Charles S. Spector | |
| Storage: | 32-3 | |
| Condition Drawing: | f | |
| Condition Base: | Fragile | |
| Material: | Graph Paper | |
| Medium: | Drafting Ink Pencil | |
| Size Sheet: | 0.29 x 0.41 | |
| Date: | 1932 | |
| Section: | Δ |