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| Image Name | Width x Height | Size | 
|---|---|---|
| SIA3534.jpg | 640 x 499 | 77K | 
| SIA3534.jpg | 1200 x 935 | 232K | 
| SIA3534.jpg | 4569 x 3560 | 2M | 
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.