On October 6, 2019, Sarah Kohler and Thomas Elmore presented at the Ancient Artifact Preservation Society’s (AAPS) 15th Annual conference in Harris, Michigan. The presentation focused on ancient stone structures in central Massachusetts. Sarah presented photographs of the complex stone structures while Tom manipulated his 3D LiDAR scans of the same structures on an adjacent screen. This approach enabled Tom to mimic the angle and subject matter on Sarah’s screen. Tom presented his LiDAR data without the trees, which provided a unique opportunity to look across the landscape in a manner that is not possible today because of the vegetation. The LiDAR allowed Sarah to study the structures and arrangements with new appreciation to their complexities relating to archaeoastronomy. This unique side-by-side presentation format illustrated how modern cutting-edge technology is used to view and decipher ancient technologies displayed in the stone arrangements. The presentation included a split-stone with a sighting rock and adjacent quartz boulder, a large upright boulder with several different effigies, an underground stone chamber, and a double stone wall — all with archaeoastronomy alignments.

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