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A plaque commemorates surveyor Augustus Poeppel who surveyed the Queensland-South Australian Border along the 26th Parallel of Latitude in 1880 to the corner that now bears his name. The plaque was sponsored by C. R. Kennedy Pty. Ltd. 

Poeppel the South Australian Government Surveyor, marked the corner with a coolibah Eucalyptus microtheca post, 2.1 metres long by 0.25 metres in diameter. The post was dragged 58 miles (92 kilometres) westward from the Mulligan River. Poeppel adzed it on three sides and chiselled into it the words ‘South Australia, Northern Territory and Queensland’. Below the ‘South Australia’ inscription he carved LAT 26 LONG 138 for the latitude and longitude. The post was placed by Poeppel to complete his survey of the South Australian/Queensland border along the 26th Parallel of Latitude between the 141st Meridian to the 138th Meridian of Longitude, a distance of 186 miles 49 chains (300.3 km). It represented the intersection of the 26th Parallel with the 138th. Unfortunately his initial work was at fault due to his `chain` being one inch too long and was redone in 1884.


Address:Adelaide Street, Opposite Hotel , Birdsville, 4482
GPS Coordinates:Lat: -25.899241
Long: 139.351496
Note: GPS Coordinates are approximate.
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Monument Type:Monument
Monument Theme:People


Actual Monument Dedication Date:Thursday 2nd October, 2003
Source: MA
Monument details supplied by Monument Australia - www.monumentaustralia.org.au
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