| Name: | PD 541-b (DA 61) | |
| PD: | PD 541-b | |
| Title: | Plan of section Δ in 1932, showing little or nothing additional. | |
| Artist: | Charles S. Spector | |
| Notes: | Filed with PD 541-2 | |
| Storage: | 32-3 | |
| Condition Drawing: | f | |
| Condition Base: | Fragile | |
| Material: | Graph Paper | |
| Medium: | Pencil | |
| Size Sheet: | 0.41 x 0.29 | |
| Date: | 1932 | |
| Section: | Δ |