- Medium
- Gelatin silver print, plate XXI from the album "Appendix to Aerial Photographs for Highway Location" (c. 1947)
- Dimensions
- Left image: 19.9 × 14 cm (7 7/8 × 5 9/16 in.); Right image: 19.9 × 13.4 cm (7 7/8 × 5 5/16 in.); Album page: 27.8 × 35.4 cm (11 × 13 15/16 in.)