MACKINAC ISLAND, MI-- Situated steps from Mackinac Island’s most famous geological formation is a new nature center that fits seamlessly into its surroundings. The Milliken Nature Center opened to the ...
Iddings' petrographic education: Graduate study at Yale ; The influence of Clarence King ; In Heidelberg with Rosenbusch ; Iddings meets Hague -- Assistant geologist with USGS I: Eureka, Nevada ; ...