The Shire of Quilpie (which is known for its grazing industry and opal, a hydrated amorphous form of silica) had a population  of 1,965 in 1947, and in 1966 it had a population of 1,685.
The Shire of Quilpie (which is known for its grazing industry and opal, a hydrated amorphous form of silica) had a population  of 1,965 in 1947, and in 1966 it had a population of 1,685.