Got to mention that Pawtuckaway is a Ring Dike. It can be hard to see on the ground, but it's really obvious on a shaded relief map.
Good introduction to the geology here: http://fredlanga.blogspot.com/2008/08/meteor-crater-in-nh.html
"So I was sitting in my cubicle today, and I realized, ever since I started working, every single day of my life has been worse than the day before it. So that means that every single day that you see me, that's on the worst day of my life."
--Peter Gibbons (Office Space)