Published 5. October 2022 at 650 × 650 in Gallery – artworks 2018 R. Geoffrey Blackburn 1, USA, Twilight on the Colorado, 2014, Pigment Print, 8,2 x 14 cm R. Geoffrey Blackburn 1, USA, Twilight on the Colorado, 2014, Pigment Print, 8,2 x 14 cm