Toronto Ontario. 1:50,000. Map Sheet 030M11, ed. 7, 1985
收藏资源简介:
This is a georeferenced raster image of a printed paper map of the Toronto, Ontario region (Sheet No. 030M11), published in 1985. It is the seventh 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 1985 and the information on the map is current as of 1980. 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多伦多地区(图幅编号:030M11)印刷纸质地图的地理参考栅格图像(georeferenced raster image),于1985年发布。该图为系列地图的第七版,涵盖自然与人文地物要素,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、水系(含湖泊、河流、溪流与急流)、桥梁、建筑物、磨坊、电力线路、地表形态及地质构造。本图于1985年正式发布,但其图面信息的现势性基准为1980年。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:图像采集与测绘工作的周期可能长达数年,部分地物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,请查阅单幅图廓左下角标注的内容。原版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Eastview Corporation共同完成。



