“Chemical Garden” 1970. Gouache and ink on rag board. 30 x 30″ “Chemical Garden” 1970. Gouache and ink on rag board. 30 x 30″ 5 Oct ’17 Exif DataDate Taken: 01-Jan-1970 00:00:00Copyright: Credit: Title: Caption: Camera: Focal Length: 0mmAperture: f/0ISO: 0Shutter Speed: 0