호주
GSQOpenData@resources.qld.gov.au - GSQ RECORD 1981/16: IPSWICH COALFIELD, RHONDDA SOUTH, SUPPLEMENTARY DRILLING IN THE COCHRANE SEAM
URL: https://geoscience.data.qld.gov.au/dataset/cr041696 GSQ RECORD 1981/16: IPSWICH COALFIELD, RHONDDA SOUTH, SUPPLEMENTARY DRILLING IN THE COCHRANE SEAM