How later courts describe this case

• holding negligent use of crane covered by vehicle’s insurance policy
• reversing trial court grant of immunity under N.J.S.A. 59:4-8, finding tree causing injury upon falling from public tract of land was a "condition of improved property"
• reversing trial court grant of immunity under N.J.S.A. 59:4r-8, finding tree causing injury upon falling from public tract of land was a “condition of improved property”
• invalidating provision in insurance policy that attempted to exclude coverage for injuries arising from the movement of a mechanical device used in loading or unloading a covered vehicle
• failure to give required limiting instruction required new trial