USGS Fact Sheet 087–01: How to Select and Order NAPP and NHAP Photographs

Fact Sheet 087–01

How to Select and Order NAPP and NHAP Photographs

By U.S. Geological Survey

Archived Publication—Most of the information contained in this publication is no longer current and is not expected to be updated.

Summary

The locations of aerial photographs from the National Aerial Photography Program (NAPP) and the National High Altitude Photography (NHAP) program are shown on flight-line indexes.

Flight-line indexes are maps on which the centers of aerial photographs are represented as dots and identified by roll and frame numbers and other information. By circling your area of interest using such information as towns, roads, and names, you can see which photographs cover that area.

First posted August 2001

Report PDF (62 KB)

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Suggested citation:

U.S. Geological Survey, 2001, How to select and order NAPP and NHAP photographs: U.S. Geological Survey Fact Sheet 087-01, 3 p., available only online at https://pubs.usgs.gov/fs/2001/0087/.

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