More of the same subject: the Midlothian Coalmines.
If you follow my art page on Facebook you've seen the progression of the first drawing.
coffee, graphite & acrylic.
coffee, water soluble graphite, charcoal & acrylic.
You would think those old stones would get tedious to draw, but I've really enjoyed the process. There's so much beauty in old, gnarly, weather-worn objects.