If you save the building and smokestack in question, be sure to save at least the other two buildings I've highlighted between Choteau and U.S. 40/I-64 for historical context. Other than that, have at it, I'd say.
Larger version sans highlight (click on the picture, than click view all sizes, than click download the larger version):
http://www.flickr.co...N02/6555025295/