Madawanson Lake Ontario. 1:50,000. Map Sheet 041J09, ed. 2, 1977

This is a georeferenced raster image of a printed paper map of the Madawanson Lake, Ontario region (Sheet No. 041J09), published in 1977. 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 1977 and the information on the map is current as of 1975. 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1977年发布的安大略省马德万森湖（Madawanson Lake）区域纸质印刷地图的地理参考栅格图像（georeferenced raster image），图幅编号为041J09。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（relief）、高程点（spot heights）、行政边界、次要道路与支路、铁路、步道、林区、包含湖泊、河流、溪流与急流在内的水道系统，以及桥梁、建筑物、磨坊、输电线路、地表形态与地质构造。本地图于1977年正式发布，但其所载信息的现势性截止至1975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共同编制。请注意：图像采集与外业测量的周期可能跨越数年，部分细节的更新时间可能晚于其他要素。如需获取详细的编制信息，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伊斯特维公司（Eastview Corporation）完成。