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The 250G and 250DB series

250/G and 250DB SERIES (JOG/G, 1501)
“IL MONDO” “THE WORLD” NTERNATIONAL MAP 1:250,000
“IL FOGLIO”

TYPE

Chorographic map derived from larger-scale maps. Available in 6 or more colors.

CHARACTERISTICS

The information content consists of roads, anthropic settlements, technological networks, vegetation, hydrography, orography. Orography is represented by contour lines with contour intervals of 100 meters, elevation points and shading. State and Region borders are indicated; populated places are indicated in pink with perimeter and crossings. The road network is classified according to the importance and nature of the road surface, distances are indicated in kilometers.

SCALE

1:250.000

SIZE

2° in Longitude (north of 40° N) by 1° in Latitude; 1° 30′ in Longitude (South of 40° N) by 1° in Latitude

NUMBER OF ELEMENTS

The Series consists, for the Italian part, of 39 elements, all available

END OF SERIES

Edition n° 4 is in progress

CUT

250/G Series: Geographic, based on ED50 Geodetic Reference System
250DB Series Geographic, based on ETRS89 Geodetic Reference System

ELLIPSOID

250/G Series: International
250DB Series: GRS80

PROJECTION

Transverse Mercator
6° zones
Coordinate reduction coefficient of 0.9996

KM GRID

UTM, based on ED 1950 Geodetic Reference System

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