20231129 18254500 1.0 TRUE Basic raw materials 1:50 000 (DMIRS-042) Basic raw materials 1:50 000 contains geoscientific data relating to basic raw material resources including clay, limesand, limestone, hard rock aggregate, sand and gravel. The data are held in GDA 94 License: Creative Commons Attribution Tags: 50 000, Aggregate, Basic Raw Material, Clay, Geology, Geosciences, Gravel, Industry, Limesand, Limestone, Minerals, Mining, Sand Contact: landuseplanning@dmirs.wa.gov.au