Tweed (West) Ontario. 1:50,000. Map Sheet 031C06, ed. 3, 1958

This is a georeferenced raster image of a printed paper map of the Tweed, Ontario region (Sheet No. 031C06), published in 1958. 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 1958. 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特威德（Tweed）地区印刷纸质地图（图幅编号：031C06）的地理配准栅格图像，该地图于1958年发布。其为系列地图的第三版，图中涵盖自然与人文两类要素，具体包括地形起伏、高程点、行政边界、次要道路与支路、铁路、步道、林区、涵盖湖泊、河流、溪流与急流的水系，以及桥梁、建筑、磨坊、输电线路、地形与地貌构造。该地图的发布年份为1958年。本系列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出版。
请注意：图像获取与外业勘测的周期可能长达数年，部分地图细节的更新时间可能晚于其他要素。如需查阅详细的编制信息，请查看单幅地图的左下角区域。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。