O'Brien Reservoir is a reservoir located in Natrona County, Wyoming. It appears on the Bessemer Mountain USGS 7.5-minute topographic quadrangle. The nearest populated place is Bessemer Bend, approximately 6.7 miles to the NNE.
Natrona County · Wyoming
O'Brien Reservoir is a reservoir located in Natrona County, Wyoming. It appears on the Bessemer Mountain USGS 7.5-minute topographic quadrangle. The nearest populated place is Bessemer Bend, approximately 6.7 miles to the NNE.