Nassau Lake Ontario. 1:50,000. Map Sheet 042F09, ed. 2, 1979

This is a georeferenced raster image of a printed paper map of the Nassau Lake, Ontario region (Sheet No. 042F09), published in 1979. It is the second 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 1979. 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1979年发布的安大略省拿骚湖（Nassau Lake）区域印刷纸质地图（图幅编号：042F09）的地理参考栅格影像。该地图为系列地图的第二版，涵盖自然与人工地物要素，包括地形起伏、高程点、行政界线、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，以及桥梁、建筑物、磨坊、输电线路、地形与地表构造。此地图于1979年正式发布，该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。请注意：影像获取与外业测量的日期可能跨度多年，部分要素细节的更新时间或存在先后差异。如需获取详细的制作信息，请查阅单幅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，地图的地理参考配准（georeferencing）工作由多伦多大学图书馆与Eastview Corporation提供支持。