National Register Listings in
Conejos County, Colorado

Costilla Crossing Bridge Denver & Rio Grande Railroad San Juan Extension (Boundary Increase) Engine No. 463 Garcia-Espinosa-Garland Ranch Headquarters La Jara Depot McIntire Ranch Our Lady of Guadalupe Church Palace Hotel Pike's Stockade Rio Grande Engine No. 168 S.P.M.D.T.U. Concilio Superior St. Joseph's Church Warshauer Mansion
In 1913, the city of Trinidad, Colorado, became the site of the first successful oil well-drilled west of the Mississippi River. The discovery led to a boom in oil production in the region, and Colorado became a major oil-producing state.
Colorado random facts