Question: During what was did William W. Morris serve in charge of the place that would go on to become a designated National Park in 1925, and a "National Monument and Historic Shrine" in 1939?
Sentence (from "Aniakchak National Monument and Preserve"): It is also possible to fly into the nearby village of Port Heiden and proceed overland to the Aniakchak Crater.
Relevant evidence: No