Final answer:
Juneau, Alaska, is the state capital named after Joe Juneau, a gold prospector who discovered gold in the area in 1880.
Step-by-step explanation:
The state capital named after a gold prospector named Joe Juneau is Juneau, Alaska. The discovery of gold in the region contributed significantly to the development of this area. Joe Juneau and his partner, Richard Harris, were prospectors who struck gold in 1880, which led to a mining camp that later developed into the city of Juneau. Alaska itself was initially considered "Seward's Folly," but when gold was found in the Yukon, it sparked a gold rush similar to California's, further proving its value to the United States.
The state capital named after a gold prospector named Joe Juneau is Juneau, which is the capital of Alaska. In 1880, Joe Juneau and Richard Harris discovered gold in what is now known as Gold Creek in Alaska. The discovery led to the establishment of the city of Juneau, which became the capital of Alaska in 1906.