Image:BartonSprings MainSpring.jpg
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Main Barton Spring in Austin, TX. A prominent fracture (visible here) in the limestone rock allows water to flow to the surface from the Edwards Aquifer. This spring is situated near the diving board in Barton Springs Pool. Photo provided by US Geological Survey.
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This image is a work of a United States Geological Survey employee, taken or made during the course of the person's official duties. As a work of the United States Government, the image is in the public domain. For more information, see the USGS copyright policy. See Wikipedia:Public domain and Wikipedia:Copyrights for more details. |  |
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| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 03:12, 18 September 2004 | 1,024×665 (175 KB) | Brad606 (Talk | contribs) | (Main Barton Spring in Austin, TX. A prominent fracture (visible here) in the limestone rock allows water to flow to the surface from the Edwards Aquifer. This spring is situated near the diving board in Barton Springs Pool) |
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| Camera manufacturer | OLYMPUS OPTICAL CO.,LTD |
|---|---|
| Camera model | u20D,S400D,u400D |
| Exposure time | 1/40 sec (0.025) |
| F-number | f/3.1 |
| Date and time of data generation | Unknown date |
| Lens focal length | 5.8 mm |
| Image title | OLYMPUS DIGITAL CAMERA |
| Orientation | Normal |
| Horizontal resolution | 144 dpi |
| Vertical resolution | 144 dpi |
| Software used | 06-1001 |
| File change date and time | Unknown date |
| Y and C positioning | 2 |
| Exposure Program | Normal program |
| ISO speed rating | 64 |
| Exif version | 2.2 |
| Date and time of digitizing | Unknown date |
| Exposure bias | 0 |
| Maximum land aperture | 3.26 |
| Metering mode | Pattern |
| Light source | Unknown |
| Flash | 24 |
| Color space | sRGB |
| Custom image processing | Normal process |
| Exposure mode | Auto exposure |
| White balance | Auto white balance |
| Digital zoom ratio | 1 |
