Moving large logs into position for cutting, and for moving rocks when doing trail work.
See requirement 7 in the Paul Bunyan...you would use this to meet the requirement to build the retaining wall or irrigation way.
The long prybar (rock bar, crow bar, tamping bar, lots of other names and configurations...) could be used for both logs and rocks. I also have, teach, and use a cant hook (would like to get a Peavy one day) for the logs, but you can't (pun intended) use it for rocks.
https://woodmizer.com/us/how-to-choose-a-cant-hook-vs-peavey