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| Image Name | Width x Height | Size | 
|---|---|---|
| SIA3483.jpg | 640 x 453 | 66K | 
| SIA3483.jpg | 1200 x 848 | 200K | 
| SIA3483.jpg | 5137 x 3630 | 1M | 
Caption
This is a modified version of E.G. Squire's survey plate. In order to better show the features it has been colorized and a distance marker has been added.