The Surveying and Spatial Sciences Institute (SSSI) is the professional association for surveyors and spatial science workers, including cartography, hydrography, remote sensing, engineering and mining surveying, photogrammetry and spatial information in Australia. The Institute's members are involved in communities of practice such as land administration, land development, natural resource management, forestry, agriculture, defence, marine environment, local government, health, education, transport, tourism, and many more. The institute deals with policy, administration, collection, measurement, analysis, interpretation, portrayal and dissemination of spatially- related land and sea information, together with associated planning, design and management.