From 1986: https://www.upi.com/Archives/1986/12/02/Workers-have-removed-all-the-topsoil-from-Pripyat-an/2145533883600/ https://www.upi.com/Archives/1986/12/02/W

From 1986: https://www.upi.com/Archives/1986/12/02/Workers-have-removed-all-the-topsoil-from-Pripyat-an/2145533883600/ https://www.upi.com/Archives/1986/12/02/Workers-have-removed... They removed the topsoil from Pripyat. It wasn't perfect, but they pushed it into 800 trenches. https://xcdsystem.com/wmsym/archives//2013/papers/13526.pdf https://xcdsystem.com/wmsym/archives//2013/papers/13526.pdf