Fig. 1: Distribution of measured ¹³⁷Cs in honey in the eastern United States for which county-scale information on the pollinator area was available (n = 110).

a Detectable (filled black circles) ¹³⁷Cs in honey on a map with 20^th century ¹³⁷Cs deposition to soils determined at the county scale^27,28 decay corrected to 2019. b Circles scaled logarithmically showing the relative magnitude of ¹³⁷Cs in honey on a map in Bq/kg (becquerel=nuclear disintegration per second) with county mean soil K (potassium) concentrations determined from airborne radiometric surveys²⁹.