NSW Foundation Spatial Data Framework - Elevation and Depth - NSW Contours
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https://researchdata.edu.au/nsw-foundation-spatial-nsw-contours/3850051
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资源简介：
Contours are virtual imaginary lines on the ground, joining points of an equal elevation in relation to the Australian Height Datum (AHD). A contour can be a standard contour, depression contour or an ancillary contour. It is a part of the NSW Digital Topographic Database (DTDB).
提供机构：
data.nsw.gov.au
