My first thought was elm based on the end grain picture, but looking at all the thin, wispy branches the logs are laying on, I'd guess black willow
I’ve always had good luck just hitting it quickly with the impact wrench to loosen it. A mower engine should have enough compression to offer...
I like these. The body is plastic but the head is metal so it holds up to hits.
I second getting the 2-n-1 style [ATTACH] For me, the hardest part isn't getting the cutters sharp, it's filing down the depth gauges evenly....
That’s most likely silver maple. Here’s a pic from a pile I grabbed this week that I know is silver maple showing bark and end grain for reference.