it served this thinly populated upland area, but its particular purposes were to serve arenig granite quarry which opened in 1908 next to the station and to act as a passing loop on the largely single-track route. the railway was the quarry's main carrier and also its main customer, crushed stone being used for track ballast.
also during the 1920s a quarry was established next to the millaa millaa falls to supply a nearby crushing plant with stone, which was used to produce road-making materials. blasting and excavation work at the quarry threatened to damage or destroy the falls, but due to the efforts of the millaa millaa progress association it was protected, and by the mid 1920s had become a popular stop for .
the first aircraft to crash into brown clee was a german junkers 88, on 1 april 1941. two wellington bombers, a hawker typhoon and at least two avro ansons also crashed here. it is now thought that there were more wartime crashes on brown clee than any other hill in britain.
the olduvai gorge or oldupai gorge in tanzania is one of the most important paleoanthropological sites in the world; it has proven invaluable in furthering understanding of early human evolution.a steep-sided ravine in the great rift valley that stretches across east africa, it is about 48 km 30 mi long, and is located in the eastern serengeti plains within the ngorongoro conservation area .
there was once a little 'mountain railway' on carningli, carrying broken stone from a small quarry down to a crushing plant on the cilgwyn road. some railway sleepers can still be found in the turf, but otherwise the only traces remaining are the two stone pillars that supported a cable drum — a cable was used to control the descent of the .