Blackspruce Lake Ontario. 1:50,000. Map Sheet 041N09, ed. 3, 1994

This is a georeferenced raster image of a printed paper map of the Blackspruce Lake, Ontario region (Sheet No. 041N09), published in 1994. 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 1994. 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黑云杉湖（Blackspruce Lake）区域（图幅编号041N09）印刷纸质地图的地理参考栅格影像（georeferenced raster image），发布于1994年。该地图为系列地图的第三版，涵盖自然与人工地物要素，包括地形起伏、高程点、行政边界、次要道路与支路、铁路、步道、林区、包含湖泊、河流、溪流与急流的水系、桥梁、建筑物、磨坊、输电线路、地形以及地表构造。本地图于1994年正式发布。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机构合作编制。请注意：影像获取与外业测量的时间跨度可达数年，部分细节的更新时间可能晚于其他要素。如需获取详细编制信息，请查阅单幅图幅左下角标注的内容。原始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（georeferencing）工作由多伦多大学图书馆与Eastview Corporation提供支持。