This cartographic quality series of 1:1 000 000 scale colour maps cover the provincial extent of Alberta. The primary provincial base map displays the Alberta Township System (ATS), major hydrographic features, municipalities, major roads, railways and select geoadministrative features (parks, reserves, etc.). In addition to the primary provincial base map, this series includes various themes that overlay the primary base map. The update of this map series is based on the provincial Base Features Access Update Program that has an approximate 5 year update cycle. Refer to the 'time period of content' in the metadata record for currency of each map product. Each individual map sheet is provided in Adobe .pdf format within a downloadable WinZip file. The source digital vector data used to produce the Provincial Base Map Series is also available under the Open Government Licence - Alberta and is distributed by AltaLIS Ltd. - Small Scale Mapping - 1:1 Million Base.