Chelmsford Ontario. 1:50,000. Map Sheet 041I11, ed. 3, 1975
收藏资源简介:
This is a georeferenced raster image of a printed paper map of the Chelmsford, Ontario region (Sheet No. 041I11), published in 1975. 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 1975 and the information on the map is current as of 1972. 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切姆斯福德(Chelmsford)地区印刷纸质地图(图幅编号041I11)的地理参考栅格影像(georeferenced raster image),于1975年发布。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、次级与支路道路、铁路、步道、林区、包含湖泊、河流、溪流与急流在内的水系、桥梁、建筑、磨坊、输电线路、地表形态与地质构造。本地图于1975年正式发布,但图内信息的现势性截止至1972年。本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:影像拍摄与数据采集周期可能跨越数年,部分要素的更新时间可能晚于其他要素。如需获取详细制作信息,请查阅单幅图廓左下角标注的内容。原始纸质地图由麦吉尔大学图书馆(McGill Libraries)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(University of Toronto Libraries)与Eastview Corporation共同完成。



