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Geographic Data Files (GDF) is an interchange file format for geographic data. In contrast with generic GIS formats , GDF provides detailed rules for data capture and representation, and an extensive catalog of standard features, attributes and relationships.
A mileage sign, sometimes also called a route confirmation sign or simply a distance sign in certain contexts, is a type of road sign along highways that displays the distance from the current point on a highway to a certain city, destination, or a junction to another highway. Their purpose is to inform drivers of the distance to a destination ...
In Italy the highway location marker is a square white sign with the current kilometer (of hectometer) of the road written on it. This sign is accompanied by the sign that identifies the road if it indicates the kilometers (or hectometers) of a state, regional, provincial or extra-urban municipal road.
Blank area for creating Locator maps. Based on simplified Location maps. A province in the country (when the blank map is actually filled). /Area maps (en) Maps that highlight one subject area, primarily for species distributions. Locator maps: a country (red) in its region and in the world (corner map). Multi-area: ranges of animals species ...
1928-1932 and 1938-1940 Automobile Legal Association Green Book: large scale maps (not very detailed - only major routes) and major city inset maps; turn-by-turn directions can also be used to find old routings through cities; also contains rough route logs (i.e. cities passed through) for some of the longer routes in all eastern states; 1938 ...
Geospatial PDF is a set of geospatial extensions to the Portable Document Format (PDF) 1.7 specification to include information that relates a region in the document page to a region in physical space — called georeferencing. [1]
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The Gough Map, dating to about 1360, is the oldest known road map of Great Britain. In 1500, Erhard Etzlaub produced the "Rom-Weg" (Way to Rome) Map, the first known road map of medieval Central Europe. It was produced to help religious pilgrims reach Rome for the occasion of the "Holy Year 1500".