In 2004 a second ground level line, of mixed 5 and 7.25 inch gauge, was constructed, and there is now over 1 kilometre of track on the site.
These were originally 38 inch gauge and were regauged to 36 inch gauge after arrival in Mt. Pleasant.
This is a 7 inch gauge which runs parallel with the standard gauge tracks and collects its name from the adjacent coal yard.
Having previously built a small railway of 9 inch gauge, he settled on 15 in (381 mm) as the minimum that he felt was practical.
It is important to note that the machine comes standard with a 1/4 inch gauge, meaning the spacing between the two needles is 1/4 inch.
During this time, LBSC designed 166 different locomotives, ranging from 0 gauge up to 5 inch gauge, building over 50 himself.
Built for the 30 inch gauge Pakis Baru Sugar Mill Railway in Indonesia as their No.5.
In 1979 a 10- inch narrow gauge was laid on the old track bed to Wells and this now operates with steam driven locomotives.
The 0.007 inch gauge was produced by Octave4Plus of Gary Goodman.
Several of these mines were connected to the coal processing and loading facilities in Dawson by means of an electric powered narrow gauge (36 inch gauge) railroad.