My goal was to pull it off again, and I am happy to say I was successful!
It was a great day to be out there. The snow is dense enough now that my snowshoes keep me up top, for the most part.
Shot #1 at 10:29am and shot #10 at 2:07pm, so under 3.5 hrs. The last three hares were shot in about an 8 minute time span.
Again, you can tell which ones were at the bottom of the bag.
Also, some added carnage. This one did some serious funky chicken when I shot it, despite that fact that its head was erased: