Complex sentence: O'Rourke, the Irishman whose case Bean had previously dismissed, told Bean to use the railroad right-of-way which was not covered by the contract and for the next 20 years Bean squatted on land he had no legal right to use.
Split into simpler sentences: O'Rourke, the Irishman whose case Bean had previously dismissed, told Bean to use the railroad right-of-way, which was not covered by the contract. For the next 20 years, Bean squatted on land he had no legal right to use.