Mickey Mouse universe instead; both in "Mickey Mouse Adventures" and in Disney's contemporary reprints of vintage stories in "Walt Disney's Comics and Stories" (1991–93). Later publisher Gemstone and the present Boom Studios have continued the use of Mouseton from 2003 onward. Strangely, in-between licensee Gladstone (1993–99) usually left Mickey's city unnamed, or—very rarely—referenced it as Duckburg, better known as Donald Duck's hometown. Mouseton's location in Calisota and its positioning with regard to Duckburg (the cities being next to one another) were the subject of speculation early on, but have generally been treated consistently in American publications from 2003 onward. In Disney comics published
Donald Duck universe location more vaguely defined. However, in Don Rosa's "The Life and Times of Scrooge McDuck", the author alludes to where exactly he has situated Duckburg: "I won't bother to say precisely where I situated Duckburg and Calisota on America's west coast... but if you get out a good map and compare the coastline, you'll see that I stuck the old gold-prospector's adopted hometown directly across the bay from a very appropriately named actual city." Knowing how Don Rosa used gags, it is likely that this city would be Eureka, California ("Eureka" meaning 'I found it'!). This fits with the river