Namakan Lake Ontario. 1:50,000. Map Sheet 052C07, ed. 1, 1973

This is a georeferenced raster image of a printed paper map of the Namakan Lake, Ontario / United States region (Sheet No. 052C07), published in 1973. It is the first 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 1973 and the information on the map is current as of 1966. 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1973年发布的安大略省/美国境内纳马坎湖（Namakan Lake）区域纸质印刷地图的地理参考栅格影像（图幅编号：052C07）。该系列地图为首版，涵盖自然与人工地物要素，包括地形起伏、高程点、行政边界、次要道路及支路、铁路、步道、林区、湖泊、河流、溪流与急流等各类水体、桥梁、建筑物、磨坊、电力线路以及地形与地貌。本地图于1973年正式发布，图面信息的现势性截至1966年。该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编制出版。请注意：影像采集与测绘工作的周期可能跨越数年，部分细节的更新时间可能晚于其他内容。如需获取单幅地图的详细生产信息，请查阅图幅左下角的标注内容。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，地图的地理参考配准工作由多伦多大学图书馆及伊斯特维奇公司（Eastview Corporation）提供支持。