Berlin–Ichthyosaur State Park is located in a ghost town that was established in which year ?
Berlin–Ichthyosaur State Park: Berlin–Ichthyosaur State Park is a public recreation area and historic preserve that protects undisturbed ichthyosaur fossils and the ghost town of Berlin in far northwestern Nye County, Nevada. Berlin Historic District (Berlin, Nevada):  The town was established in 1897 as part of the Union Mining District after the opening of the Berlin Mine the previous year.
1897