Factors of Borders, Boundaries, and Topography in the Preparation of Provincial and District Administrative Maps

Boundary, Administrative and Topographic Elements in the Creation of Provincial and District-level Administrative Maps (Illustrative Image)

The elements regarding boundaries, administrative divisions, and topography in the creation of provincial and district-level administrative maps are stipulated as follows:

- Regarding national boundary elements, administrative boundaries must:

- Fully represent national land boundaries and baseline;- Fully represent defined and undefined provincial-level administrative boundaries, territorial zoning for provincial-level administrative divisions;- Fully represent the centers of provincial-level administrative units;- Annotate the names of provincial-level administrative units.

- Topographic elements must ensure:

- On the national administrative map, contour lines should not be displayed; represent depth contour lines and depth levels as follows: 200 m, 1500 m, 4000 m; annotate depth points with a density of 4 points per 1 dm² on the map;- Represent special topographic areas: swamps, sandbanks larger than 1 cm² on the map; distinguish between dry and wet sandbanks;- Represent the locations of the highest and most characteristic mountains in the country, mountains on the national boundary line, and administrative boundaries; annotate the height of mountain peaks and names;- The national administrative map at a scale of 1:3,500,000 may not display topographic elements as prescribed in Points a, b, c Clause 4 of Article 27 Circular 47/2014/TT-BTNMT.

More details can be found in Circular 47/2014/TT-BTNMT, effective from August 22, 2014.

Thuy Tram

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