Western North Dakota contains several areas of known radioactive mineral deposits. Investigations done from the late 1940s to the late 1970s discovered several large areas of increased radioactivity in Bowman, Slope, Stark, Billings, and Golden Valley counties.
|GI-184||Uranium in North Dakota: Murphy, E.C., 2015.|
|GI-139||Uranium concentrations in groundwater southwestern North Dakota: by Murphy, E. C., 2011.|
|GI-138||Spikes on gamma ray logs southwestern North Dakota: by Murphy, E. C., 2011.|
|GI-40||Uranium Deposits in Southwestern North Dakota: Murphy, Edward C., 2007.|