Blackhawk, . Colorado Burial of Black Hawk-Magazine. of American. History., May 1886, p.494 Men drowned by flood In Black Hawk flume. News May 8,, 1898 p.2 c.1 Fabulous mystery mine lost 60 Years recently discovered on Gregory Hill. Monitor May 6. 1949 p.4 The Nathaniel P. Hill home., a precious Colorado relic, goes on the block. News Aptil 233, 1950 p. IDA How Blackhawk derived its name. Central City Register Call June 23 1961 p? c-l- 0