sentences:  For example, the section of track from Prince Rupert to Hazelton took four years to complete (1908–1912), in part because the construction of the section from Prince Rupert to the Kitselas Canyon required of explosives that were used in the creation of three tunnels that had to be blasted through solid rock.The costs of building the railway through the Northern Interior of British Columbia were much higher than the company had projected and disputes with rival town-site holders, especially at Hazelton and Fort George cut even deeper into the company's profits.Then, in 1912, the Grand Trunk Pacific was dealt another blow when its general manager Charles Melville Hays died in the sinking of the "Titanic".