- Medium
- left panel of two parts: collage with aerial photograph with topographic contour map, technical data, fabric sample, pastel, enamel paint, graphite, colored pencil, and wax crayon on paperboard
- Dimensions
- overall: 77.5 x 30.5 cm (30 1/2 x 12 in.)
overall size (for both panels): 77.5 x 99.7 cm (30 1/2 x 39 1/4 in.)
framed: 78.2 x 31.3 x 4.3 cm (30 13/16 x 12 5/16 x 1 11/16 in.)