https://www.youtube.com/watch?v=cS0tnjnh3y4 Location:Ellsworth, south of the intersection of Routes 1A and 179. Park nearby and walk to the site. N 44°33’42” W 68°26’19” Geology:Agassiz Historical Outcrop: This is on the National Register of Historic Sites. The Laurentide Ice Sheet flowed over this low bedrock hill area and eroded it to a smooth, scratched surface.