Ottawa (East) Ontario. 1:50,000. Map Sheet 031G05, ed. 5, 1950

This is a georeferenced raster image of a printed paper map of the Ottawa, Ontario / Quebec region (Sheet No. 031G05), published in 1950. 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 1950 and the information on the map is current as of 1948. 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.

本数据集为加拿大安大略省与魁北克省渥太华地区印刷纸质地图的地理参考栅格影像（图幅编号：031G05），于1950年发布。该地图为系列地图的第五版，完整呈现自然与人工地物要素，包括地形起伏、高程点、行政边界、次级道路与支路、铁路、步道、林区、涵盖湖泊、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。本地图虽于1950年正式刊行，但其所载信息的现势性截至1948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出版。请注意：影像采集与外业测量的周期可能长达数年，部分细节的更新时序可能晚于其他内容。如需获取详细的编制出版信息，请查阅对应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，地图的地理配准（georeferencing）工作由多伦多大学图书馆与Eastview Corporation提供支持。