Not all maps are in the Catalogue so it may be necessary to use the card map catalogues to find references. Archival maps and plans can be found in the collections of the State Records Office and maps relating to the rest of Australia and the world can be found in the State Reference Library. These are a series of cadastral maps of newly opened subdivisions. They include locality maps. They were prepared for various property developers and real estate companies.
Relief is shown by contours, shading, and spot heights.
There are various editions of some sheets. 475 sheets of the inland have not been published and are available as photomaps by purchase. Relief is shown by contours and spot heights. Insets show details of land holdings along the Swan and Helena Rivers, Guildford, Fremantle, Perth, Kelmscott, and Augusta. Relief is shown by contours and spot heights.