Oahe Dam Oahe Dam The Oahe Dam is a large earthen dam on the Missouri River, just north of Pierre, South Dakota, United States. The dam creates Lake Oahe, the fourth largest man-made reservoir in the United States. The reservoir stretches up the course of the Missouri to Bismarck, North Dakota. The dam's power plant provides electricity for much of the north-central United States. It is named for the Oahe Indian Mission established among the Lakota Sioux in 1874. The project provides flood control, Hydropower generation, irrigation, and navigation benefits. Oahe Dam is one of six Missouri River mainstem dams, the next
Leasburg Dam State Park Jornada del Muerto, the nearby site of a 19th-century army outpost is a reminder of a time not too long ago. Leasburg Dam State Park offers year-round camping, picnicking, and birdwatching. From about mid-March to mid-October the park is also a venue for fishing, canoeing, and kayaking in the Rio Grande. The dam channels water from the Rio Grande for irrigation in the Mesilla Valley. Nearby a museum and a number of trails are located near Fort Seldon State Monument. Leasburg Dam State Park Leasburg Dam State Park is a state park of New Mexico, United States, located on the