I assume many of tractors pre-date the pneumatic tire, explaining the studded wheels. Nice bonus from those would be the aeration effect.
Interesting that the two steam shovel photos appear to show the exact same make of steam shovel, but not the exact same steam shovel.
I love seeing the horses and sheep working along with the men. Having lived with horses now for about 25 years, I can happily attest to the fact that they are wonderful, smart, caring, animals. (Ponies are a different story ;-). Of the many things lost in our modern world, the connectedness to animals has got to be up there.
What a lot of hard work went into making these courses. And what a lot of workers. Wow.