GLOSSARY

Glossary of Land Terms

Cadastral data or information - usually refers to survey data relating to land boundaries

Crown estate - (also called Government lands) any parcel of Western Australian land not held in freehold, including reserved and leased land and to three nautical miles from shore.

Crown land - (also called Government land) all land in Western Australia not held in freehold, including coastal waters and the seabed.

Geocentric Datum - a reference surface which has as its origin the Earth's centre of mass.

Geodetic - related to the measurement of large portions of the earth's surface that takes into account the curvature, shape and dimensions of the earth.

Geospatial data - land measurements derived from the geodetic control that defines the earth's surface

GIS - Geographic Information System

Individually rectified - to individually remove the natural distortions in photographs for use in conjunction with other map data.

Seamless mosaic - individual photographs 'stitched' together and appearing as a single larger piece

Spatial data - (see also cadastral data and geospatial data) data related to the measurement of land, often refers to land boundary measurements held as cadastral data

Tenure - the manner of holding land, for example freehold or leasehold.

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