Results: 1 - 7 of 7
Dec 31, 1982
Open File Report
… Iron, Lead Zinc, Lightweight Aggregate, Limestone, Magnetite, …
Dec 31, 1977
Open File Report
… m) or greater in thickness and aggregate thicknesses of all seams … greater in thickness but with an aggregate thickness of 5 ft (1.5 m) …
Dec 31, 1977
Open File Report
… the best seam thickness and the aggregate footages of all seams 3 …
Dec 31, 1975
Open File Report
… 5 feet thick are outlined. Aggregate thicknesses of coal are …
Oct 16, 2005
Map
… and gas activities. Minerals and aggregate resource information data …
Oct 16, 2005
Map
… and gas activities. Minerals and aggregate resource information data …
Dec 31, 1989
Open File Report
… Group. The seams have an average aggregate thickness of 24 metres …