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| Image Name | Width x Height | Size | 
|---|---|---|
| SIA3468.jpg | 640 x 446 | 63K | 
| SIA3468.jpg | 1200 x 835 | 174K | 
| SIA3468.jpg | 5119 x 3561 | 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.