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6. Function or Use <br /> Historic Functions (enter categories from instructions) Current Functions (enter categories from instructions) <br /> See Continuation Sheet See Continuation Sheet <br /> "A" „B" <br /> 7. Description <br /> Architectural Classification Materials (enter categories from instructions) <br /> (enter categories from instructions) <br /> foundation Stone: Granite <br /> N/A walls Wood: Weatherboard <br /> Brick <br /> roof Asphalt <br /> other Wood <br /> Metal • Cast iron _ <br /> Describe present and historic physical appearance. <br /> The Central City-Black Hawk National Historic Landmark (NHL) district is <br /> comprised of the three towns of Black Hawk, Central City, and Nevadaville, <br /> located 35 miles west of Denver in Gilpin County, Colorado, through Clear <br /> Creek Canyon in the foothills of the eastern slope of the Rocky Mountains. <br /> Black Hawk is the first of the three towns reached on the transportation <br /> route from the eastern Plains. It is located directly adjacent to Central <br /> City at the point where Gregory Gulch empties into North Clear Creek, at an <br /> altitude of approximately 8 to 9,000 feet. Black Hawk, Central City, and <br /> Nevadaville are connected by Gregory and Nevada Streets, which run along the <br /> bottom of Gregory and Nevada Gulches with little intrusion by modern <br /> structures. <br /> The NHL district falls under the NHL theme of Westward Expansion of the <br /> British Colonies and the United States, 1763-1898; The Mining Frontier in <br /> the Rockies: Colorado and Wyoming. The district is nationally significant <br /> under Criterion A for its association with events critical in the settlement <br /> of the Rocky Mountain and Intermountain West. The three mining communities <br /> in the district sprang up near the gold discovery of John S. Gregory <br /> beginning in 1859. As the site of the first and most productive gold mines <br /> in the vast, arid intermountain region of the western United States, from <br /> the Rocky Mountains to the Sierra Nevada and Cascade Mountain ranges, it was <br /> the scene of the first large population movement to the area. The district <br /> economy sustained regional socioeconomic development from 1859 through 1893, <br /> when its production was surpassed by other mining areas. <br /> The towns of Central City and Black Hawk retain an exceptional degree of <br /> their historic appearance and architectural integrity, and are also <br /> nationally significant under Criterion C for their representation of the <br /> "boom town" era of frontier urban expansion. Street patterns and hundreds <br /> of buildings give an accurate picture of the relationship between <br /> ®See continuation sheet <br />