J.S. Diller’s first account of the geology of Crater Lake appears in the NATIONAL GEOGRAPHIC, volume 8. Diller estimates that the level of the Lake, during the summer, drops 0.0125 feet each day.
Will Steel travels to Dyea, Alaska, during the gold rush, where he organizes mail service and establishes an express service to carry gold dust and money to and from the Yukon gold fields. Steel returns to postal work in Portland in 1900.
E.I. Applegate “suspects” that Crater Lake was frozen over when the temperatures at Fort Klamath reaches a minus 42 degrees F.