Ronald Greeley Center for Planetary Studies

Image Servers – National Aerial Photography Program


National Aerial Photography Program


The National Aerial Photography Program (NAPP) provides a standardized set of cloud-free aerial photographs covering the conterminous U.S. over five-to-seven year cycles. The program began in 1987 and continues to be our most recent and consistent source of high-quality aerial photography.

The photographs were acquired from an altitude of 20,000 feet and are available in black & white (B/W) or color infrared (CIR), depending on location and date. Each photo is centered on one-quarter section of a 7.5-minute USGS quadrangle, and covers approximately a 5.5 x 5.5 mile area.

NAPP Home Page

NAPP Photo Finder


Page last updated: Dec. 13, 2016




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