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A map series is a group of topographic or thematic charts or maps usually having the same scale and cartographic specifications, and with each sheet appropriately identified by its publisher as belonging to the same series. [1] Map series occur when an area is to be covered by a map that, due to its scale, must be
Topographic maps are also commonly called contour maps or topo maps. In the United States, where the primary national series is organized by a strict 7.5-minute grid, they are often called or quads or quadrangles. Topographic maps conventionally show topography, or land contours, by means of contour lines.
Vicmap Topographic Map Series; W. World Map 1:2,500,000 This page was last edited on 30 October 2019, at 00:05 (UTC). Text is available under the Creative ...
From approximately 1947–1992, the USGS produced the 7.5 minute series, with each map covering an area one-quarter of the older 15-minute quad series, which it replaced. [1] A 7.5 minute quadrangle map covers an area of 49 to 70 square miles (130 to 180 km 2). [2]
The maps have sky-blue covers and there are eight sheets in the series. Scales vary: OS Landranger (1:50,000) The "general purpose" map. They have pink covers; 204 sheets cover the whole of Great Britain and the Isle of Man. The map shows all footpaths and the format is similar to the Explorer maps, but with less detail. OS Landranger Active (1 ...
File:Norway Østfold adm location map.svg. Location maps are an extremely light and chartjunk-free style. They focus on the subject, most of the time a country, and its official borders and subdivisions borders. Series N style maps modify the previous CIA style maps and slightly amend the colours to make them lighter and more sutiable for maps.
The National Maps of Switzerland, also referred to as the Swisstopo maps, are a set of official map series designed, edited and distributed by Swisstopo, the Swiss Federal Office of Topography. Each map series is based on an oblique, conformal , cylindrical projection ( Mercator projection ), with a Swiss Coordinate system ( CH1903 + ).
The most common purpose of a thematic map is to portray the geographic distribution of one or more phenomena. Sometimes this distribution is already familiar to the cartographer, who wants to communicate it to an audience, while at other times the map is created to discover previously unknown patterns (as a form of Geovisualization). [17]