Twin Cities (East) Ontario. 1:50,000. Map Sheet 052A06, ed. 3, 1961

This is a georeferenced raster image of a printed paper map of the Twin Cities, Ontario region (Sheet No. 052A06), published in 1961. It is the third edition in a series of maps, which show both natural and man-made features such as relief, spot heights, administrative boundaries, secondary and side roads, railways, trails, wooded areas, waterways including lakes, rivers, streams and rapids, bridges, buildings, mills, power lines, terrain, and land formations. This map was published in 1961 and the information on the map is current as of 1952. Maps were produced by Natural Resources Canada (NRCan) and it's preceding agencies, in partnership with other government agencies. Please note: image / survey capture dates can span several years, and some details may have been updated later than others. Please consult individual map sheets for detailed production information, which can be found in the bottom left hand corner. Original maps were digitally scanned by McGill Libraries in partnership with Canadiana.org, and georeferencing for the maps was provided by the University of Toronto Libraries and Eastview Corporation.

本数据集为安大略省双子城地区印刷纸质地图（图幅编号052A06）的地理参考栅格影像，发布于1961年。该地图为系列地图的第三版，涵盖自然与人文地理要素，包括地形起伏、高程点、行政边界、次要道路与支路、铁路、步道、林区、含湖泊、河流、溪流与急流在内的水系、桥梁、建筑、磨坊、输电线路、地貌与地质构造。本地图于1961年正式发布，但其所载地理信息的现势性截至1952年。本地图由加拿大自然资源部（Natural Resources Canada, NRCan）及其前身机构联合其他政府部门共同编制。请注意：影像采集与外业测量的周期可能长达数年，部分地理要素的更新时间或存在先后差异。如需获取详细的地图编制信息，请查阅图幅左下角标注的内容。原始纸质地图由麦吉尔大学图书馆与Canadiana.org合作完成数字化扫描，地图的地理配准工作由多伦多大学图书馆与Eastview Corporation共同完成。