It's not clean, it's "Clinchfield clean", which means you can read the roadname and the number. You should see one that's dirty.
A set of light Clinchfield engines works at Hannum, TN || May 1975
CRR F7 #821 resting at Erwin, TN || June 1974
CRR F7 #809 resting between trips at Erwin, TN || March 1971
CRR 800 flying white extra flags at Erwin, TN || Sept 1970
Clinchfield RR F7B #867 resting on Thanksgiving weekend at Spartanburg, SC in 1970
A Clinchfield GP7 along with three F units and a SD40 shuffle through the yard at Erwin, TN in March 1971.
Clinchfield GP7 #908 working at Erwin, TN in March 1971
An interesting mix of Clichfield RR power leads a northbound freight through Spruce Pine, NC during the summer of 1970.
Clinchfield F unit 819 leads a SD40, two other Fs and a GP on a manifest train at Thermal, NC in the summer of 1970.
Clinchfield RR GP7 #907 awaiting its next work in Dante, VA - Sept. 1970.
CRR 805 with some leased SP power in Erwin, TN in the spring of 1971.
A faded black and yellow Clinchfield F7 (#802) sits at Erwin, TN in the fall of 1975.
