Arthur Lakes (1844–1917) was an English naturalist who discovered dinosaur bones near Morrison in 1877, setting off the “dinosaur bone rush” in Colorado and the American West. Additionally, his research on mineral deposits and extraction methods proved…

Nathaniel Peter Hill (1832–1900) was a mining entrepreneur and US senator from Colorado. In the 1860s, Hill, an accomplished chemist and metallurgist, bought mining interests in Black Hawk and developed the first successful smelter in Colorado,…