File:Preston-chart.png
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![File:Preston-chart.png](https://upload.wikimedia.org/wikipedia/commons/thumb/7/73/Preston-chart.png/716px-Preston-chart.png?20190218153009)
本预览的尺寸:716 × 600像素。 其他分辨率:287 × 240像素 | 573 × 480像素 | 917 × 768像素 | 1,072 × 898像素。
原始文件 (1,072 × 898像素,文件大小:1.77 MB,MIME类型:image/png)
分类:
- Aviation maps of the United States
- Baltimore-Washington Parkway (Maryland Route 295)
- Federal Aviation Administration publications
- Flight path maps
- Fort George G. Meade
- Maps of Anne Arundel County, Maryland
- Maps of Prince George's County, Maryland
- Maps of Washington, D.C.
- 1974 White House helicopter incident