Ordering procedures for photographic enlargement products--NAPP, NHAP, and custom

Established in 1987, the National
Aerial Photography Program (NAPP)
collects aerial photographs of the 48
conterminous States on a 5-year
cycle.
Copies of NAPP images are available
in black-and-white and (or) color- Figure 1. NAPP paper-print sizes and their corresponding scales for standard enlargements.*
infrared film at 1 :40,000 scale.
Figure 1 shows NAPP paper-print
sizes and their corresponding scales
for standard enlargements.