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Soubor:Using sextant swing frame.png

DescriptionUsing sextant swing frame.png Single frame of Image:Using sextant swing.gif suitable for thumbnail purposes. Date April 2007 Source Image:Using sextant...


Soubor:Appendix TT. Improvement of certain rivers and harbors in Oregon and Washington- Extract report 1892 - USACE-p16021coll6-2401.pdf

well as the present end of the jetty, nearly all of which was done bv sextant observations. In all about 4.3 miles of low-water line were locatctl. The...