A stone monument is below a hillside of mine tailings, mine buildings and a frame Victorian house in Gregory Gulch (Gregory Diggings), in Central City (Gilpin County), Colorado.
Central City (Colo.)--1930-1940.; Gregory Gulch (Colo.)--1930-1940.; Canyons--Colorado--Central City--1930-1940.; Historical markers--Colorado--Central City--1930-1940.; Mining--Colorado--Central City--1930-1940.
A trestle on the Gilpin Tramway in Gilpin County, Colorado shows retaining walls constructed of wooden cribbing. A gully filled with boulders is near the trestle.