By: callanbentley
Image: Ron Schott
License: Creative Commons Non Commercial ⧉

Uploaded: 20 Aug 2026
Last Updated: 20 Aug 2026

1.17 gigapixels
48,204 x 24,192 pixels
160.7 in X 80.6 in at 300dpi

It's the sandy layer just below the coal seam, at the base of the sandstone.