He also became friends with early volcanologist Dr. Thomas Jaggar in 1909 and raised money to fund the Hawaiian Volcano Observatory in 1912. He used his newspaper to promote the national park idea and convinced the territorial legislature to fund a group of congressmen to visit Haleakalā and Kīlauea in 1907. The trip included a dinner cooked over active lava vents. He hosted a visit by the Secretary of the Interior James Rudolph Garfield in 1908, and another congressional visit in 1909. He convinced Governor Walter F. Frear to introduce a resolution supporting the idea, and formed a survey team to propose exact boundaries. His newspaper printed endorsements of the park by President Theodore Roosevelt (a classmate at Columbia), conservationist John Muir, and powerful senator Henry Cabot Lodge.