NEW YORK TRIBUNE, July 8, 1875  Page 3 has: "SOUTHERN COLORADO" "A Visit To The San Juan Mines" "The Road to the Mines--Manitou Springs--A Long Strange Ride--Richness of the Mines".
This is a wonderfully detailed & very descriptive article on Southern Colorado, with subheads including: "A Stage Ride" "Del Norte" "Among the Miners" and "Yield of the Mines.
This is followed by another lengthy & descriptive article: "COLORADO FARM LIFE" "Methods of Cultivating the Soil" "Necessity for Irrigation--Success of Potato Culture--Failure of Fruit Trees--Cattle Raising--Immigration".