Steen's Buttes, mounds south of the city, were first reported by army explorers in the 1840s. The easternmost mound is "Rock Mary," an important landmark along the California Road, used by gold-seeking '49ers. Hydro was named for the good water in the area.
Hydro, OK LandmarksFishing, hunting, water recreation, camping, off-road vehicles - 5,600 acres and 43 miles of shoreline. Good fishing for most...