Question: Ohio native William Gladstone Steel helped create Crater Lake National Park, where the lake is most famous for what?
Related documents: [0]  [DOC] Crater Lake (Klamath: giiwas) is a caldera lake in south-central Oregon in the western United States. It is the main feature of Crater Lake National Park and is famous for its deep blue color and water clarity. The lake partly fills a nearly 2148 ft -deep caldera that was formed around 7,700 (± 150) years ago [END] 
[1]  [DOC] William Gladstone Steel (September 7, 1854 – October 21, 1934), called the "father of Crater Lake", referring to the creation of Crater Lake National Park in Oregon, United States. A native of Ohio, he worked in the newspaper business before becoming a mail carrier. He campaigned Congress for 17 years to designate Crater Lake as a national park. [END] 
Answer: 
deep blue color
deep blue color