Measuring changes in environmental radiological background from construction of an advanced nuclear reactor testing facility - Jim Drachenberg; James E. Johnstone; Gage McClaine; Rusty S. Towell; Jared Barker; Neddy Chepkoech; Dale Cox; John C. Dalton; T.L. Head; Timothy J. Kennedy; Kim L. Pamplin; Jackson Shoultz; et al. (Journal of Environmental Radioactivity, 2026)