I spent all my time at the Vigla site in EU23, and through this site I was able to learn about opening and closings SUs, and how to determine when something is special enough to open its own SU. While working in EU23, SU8501 we started to remove the layer of mud brick, plaster, and cobble from the wall collapse, and upon doing so, I discovered a cut rectangular ashlar block in the back southwest corner. This block was broken into three separate pieces. Around this block was an ashy layer of soil, and because of the soil change, we decided to open an SU specifically for this soil type. This was SU8505 and it was determined that this ash layer was only surrounding the block and had some association with leveling. This layer of ash was later measured to be about 7cm outside each side of the ashlar block and was removed is SU8509. The next SU relating to the ashlar block was SU8511, and in this layer the actual rock was removed, with some amazing finds underneath, all in the same corner. However one of the most exciting finds underneath the soil layer , and under the ashlar block, was a charred root fragment that can be carbon dated, very similar to the previous sample taken on the east side of the trench. We also took the ashy soil as a sample as well. We determined that the ash level of the soil indicates that this layer was purposefully sealed separately from the rest of the trench. I am very interested to see the results of the testing in the trench and hope to keep up on any updated of this block, and the finds underneath it.