Fort Ethan Allen (Defenses of Washington marker series).jpg
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| DescriptionFort Ethan Allen (Defenses of Washington marker series).jpg |
Inscription: Historical Site Defenses of Washington 1861-1865 Fort Ethan Allen This embankment was the south face of Fort Ethan Allen, a bastioned earthwork built in September 1861 to command all the approaches to Chain Bridge south of Pimmit Run. The fort had a perimeter of 736 yards with emplacements for 39 guns. The embankments which still remain were the south face less the west bastion; an interior bombproof shelter for protection against artillery fire from Hall’s Hill; The magazine and guard house near the north face; and part of the east face. This marker is included in the Defenses of Washington marker series: [www.hmdb.org/marker.asp?marker=2317]
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| Date | |||
| Source | Flickr: Fort Ethan Allen (Defenses of Washington marker series) | ||
| Author | Cliff | ||
| Permission (Reusing this file) |
This file is licensed under the Creative Commons Attribution 2.0 Generic licence.
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| Camera location | 38° 55′ 25.47″ N, 77° 07′ 29.77″ W | View this and other nearby images on: OpenStreetMap |
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17 March 2009
679,747 byte
1,600 pixel
1,200 pixel
image/jpeg
2b48a67a353baa7534c622cb5885ebcc54c0f0b9
0.00952380952380952 second
3.2
6 millimetre
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:56, 12 October 2011 | 1,200 × 1,600 (664 KB) | wikimediacommons>Flickr upload bot | Uploaded from http://flickr.com/photo/28567825@N03/3364066877 using Flickr upload bot |
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| Camera manufacturer | NIKON |
|---|---|
| Camera model | COOLPIX P6000 |
| Exposure time | 1/105 sec (0.0095238095238095) |
| F Number | f/3.2 |
| ISO speed rating | 64 |
| Date and time of data generation | 16:51, 17 March 2009 |
| Lens focal length | 6 mm |
| Latitude | 38° 55′ 25.47″ N |
| Longitude | 77° 7′ 29.77″ W |
| Orientation | Normal |
| Horizontal resolution | 240 dpi |
| Vertical resolution | 240 dpi |
| Software used | ACD Systems Digital Imaging |
| File change date and time | 00:58, 18 March 2009 |
| Y and C positioning | Centred |
| Exposure Program | Normal program |
| Exif version | 2.21 |
| Date and time of digitising | 16:51, 17 March 2009 |
| APEX shutter speed | 6.714246 |
| APEX aperture | 3.356144 |
| APEX exposure bias | 0 |
| Maximum land aperture | 2.9 APEX (f/2.73) |
| Metering mode | Pattern |
| Light source | Unknown |
| Flash | Flash did not fire, compulsory flash suppression |
| DateTime subseconds | 0 |
| DateTimeOriginal subseconds | 0 |
| DateTimeDigitised subseconds | 0 |
| Sensing method | One-chip colour area sensor |
| File source | Digital still camera |
| Scene type | A directly photographed image |
| Custom image processing | Normal process |
| Exposure mode | Auto exposure |
| White balance | Auto white balance |
| Digital zoom ratio | 0 |
| Focal length in 35 mm film | 28 mm |
| Scene capture type | Standard |
| Scene control | None |
| Contrast | Normal |
| Saturation | Normal |
| Sharpness | Normal |
| Subject distance range | Unknown |
| GPS time (atomic clock) | 13:51 |
| Satellites used for measurement | 06 |
| Geodetic survey data used | WGS-84 |
| GPS date | 17 March 2009 |
| GPS tag version | 84.64.84.64.05.64.05 |
| Width | 3,168 px |
| Height | 4,224 px |
| Image width | 3,168 px |
| Image height | 4,224 px |