Thurso Ontario. 1:50,000. Map Sheet 031G11, ed. 5, 1987

This is a georeferenced raster image of a printed paper map of the Thurso, Quebec / Ontario region (Sheet No. 031G11), published in 1987. It is the fifth 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 1987 and the information on the map is current as of 1985. 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.

本数据集为魁北克省/安大略省瑟尔索（Thurso）地区印刷纸质地图的地理参考栅格图像（georeferenced raster image），图幅编号为031G11，于1987年正式发布。该地图属于某系列地图的第五版，完整呈现了该区域的自然与人文要素，涵盖地形起伏、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，以及桥梁、建筑物、磨坊、输电线路、地形与地表构造等内容。该地图虽于1987年发布，但所载信息的最新更新节点为1985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。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，请查阅图幅左下角的标注内容。原始纸质地图由麦吉尔大学图书馆联合Canadiana.org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与Eastview Corporation提供技术支持。