File:DavidsonTrig.jpg
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| Description |
English: Davidson en:Trig point on en:Red Hill, Australian Capital Territory.
From ACT Govt info on Survey Control Marks - In the ACT trig stations consist of a ground mark with a white quadripod supporting a black disc above the ground mark. Most of these Trig Stations are part of the ACT Precision Zone: a national geodetic survey and adjustment carried out in the early 1970s. The ACT Precision Zone and its associated marks have been the primary control for all new development in the ACT since the early 1970s. The accuracy of ACT Precision Zone marks is 1 in 250,000. Further information on Geodetic survey in Australia - now and history. |
| Date | 2 May 2005 (original upload date) |
| Source | Transferred from en.wikipedia to Commons by Bidgee using CommonsHelper. |
| Author | Matilda at English Wikipedia |
| Permission (Reusing this file) |
PD-USER-W|EN|WIKIPEDIA. |
Licensing
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This work has been released into the public domain by its author, AYArktos at English Wikipedia. This applies worldwide. In some countries this may not be legally possible; if so: AYArktos grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
Original upload log
The original description page was here. All following user names refer to en.wikipedia.
- 2005-05-02 00:25 Matilda 718×898× (60281 bytes) Davidson [[Trig point]] on [[Red Hill, Australian Capital Territory]]. From [http://www.actpla.act.gov.au/actlic/surveycontrolmarks/ ACT Govt info on Survey Control Marks] - In the ACT trig stations consist of a ground mark with a white quadripod support
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 01:59, 3 January 2009 | | 718 × 898 (59 KB) | Bidgee | {Information |Description={{en|Davidson en:Trig point on en:Red Hill, Australian Capital Territory. From [http://www.actpla.act.gov.au/actlic/surveycontrolmarks/ ACT Govt info on Survey Control Marks] - In the ACT trig stations consist of |
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