The Things That Tower: Collieries by Pennell, Joseph (1857 - 1926)
Etching, signed by the artist in pencil, trimmed to the plate mark, Wuerth #527, edition of 50, Pittsburgh.
 
Matted, Image size: 8.5in x 10.9in (21.6 x 27.6cm). 
Overall size 14in x 18in (35.6 x 45.7cm).
Made in: US, 1909 
Art-In-Industry collection number pp_065