Dan Muller's birth city is near what national park?
Dan Muller: Dan Muller aka Daniel Cody Muller (1889–1976), artist, illustrator and writer of the American West; Muller was born in Choteau, Montana, October 11, 1889 to Carl and Augusta Muller. Choteau, Montana:  It lies along U.S. Routes 89 and 287 (the latter terminating at the former in this city) about 20 mi east of the Rocky Mountains, near Flathead National Forest, the Rocky Mountain Division of Lewis and Clark National Forest, and Glacier National Park.
Glacier National Park