1/20,000 scale topographic maps

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Note that topographic maps at a scale of 1/20,000 are no longer updated. For the last update date, see the [metadata] (ftp://transfert.mern.gouv.qc.ca/public/diffusion/RGQ/Documentation/BDTQ/Metadonnees_Topo-20K.xls) . The reference mapping data is now based on a continuous information layer approach: * [AQNetwork+] (https://www.donneesquebec.ca/recherche/fr/dataset/adresses-quebec) * [Quebec Hydrographic Network Geobase (QHRM)] (http://catalogue-geographique.gouv.qc.ca/cigg/pages/recherche/recherche_serie_unique.faces?identifiantSerie=GRHQ) * [Administrative splits at scale of 1/20,000 (SDA)] (https://www.donneesquebec.ca/recherche/fr/dataset/decoupages-administratifs) * [Regional Coherent Hydro Field Numerical Models (DEM)] (https://www.donneesquebec.ca/recherche/fr/dataset/modeles-numerique-de-terrain-hydro-coherents-a-l-echelle-regionale) * * This product offers an overview of Quebec territory at a scale of 1/20,000, cut by sheet (2,765 sheets in total). * It covers almost the entire territory south of the 52nd parallel. * Data are extracted from aerial photographs at a scale of 1/40,000 taken at an altitude of 6,300 metres. is four metres in planimetry, two metres in hypsometry for the listed points and five metres for the level curvs. Each sheet covers an area of approximately 250 km2. The main components are: * Hydrography (lakes, rivers, streams, swamps, etc.) . Vegetation (forests, peatlands, nurseries, orchards, etc.) .* Human constructions: * transport infrastructure (roads, bridges, airports, etc.); * buildings (mobile homes, silos, greenhouses, etc.); * equipment (docks, power transmission lines, etc.) * Designated areas (golf courses, borrowing benches, etc.) * Relief (level curves are usually at an equidistance of ten meters and in some cases they may vary between eight and twenty metres).

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Electronic Mail Address: geoboutique@mern.gouv.qc.ca

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