Note, there are a few highly skewed images around the edge of this mosaic, but they are
outside of the marked plot, so I left them. The area within the marked plot looks good.
2012 version (rotated to approximate 2015 orientation) 11_19June12_Niku_SWCorner Zoomify (no linked images availble) | JPG. (Note: this could be better with more effort to find matching points between the two time steps.)