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A sextant, the same tool used by the Lewis and Clark Expedition in the early 1800s to map the western United States, and is still being used today by the Texas Military Forces (TXMF). David Rolbiecki, Chief of survey for the TXMF, uses this sextant to obtain precise measurements of the earth. Rolbiecki is hoping to use his research to feed the National Geodetic Survey, and ultimately help to improve elevation measurements for the Global Positioning System, or GPS. (U.S. Army National Guard photo by Capt. Martha C. Nigrelle/Released)
| Date Taken: | 10.10.2013 |
| Date Posted: | 01.30.2014 12:54 |
| Photo ID: | 1158424 |
| VIRIN: | 131010-Z-FP744-005 |
| Resolution: | 4288x2848 |
| Size: | 1.98 MB |
| Location: | AUSTIN, TEXAS, US |
| Web Views: | 68 |
| Downloads: | 4 |
This work, Sextant used by Texas Military Forces [Image 3 of 3], by CPT Martha Nigrelle, identified by DVIDS, must comply with the restrictions shown on https://www.dvidshub.net/about/copyright.
Texas Military Forces stargazing - a modern day Lewis and Clark Expedition
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