Fortress Lake Alberta / British Columbia. 1:50,000. Map Sheet 083C05, ed. 1, 1970

This is a georeferenced raster image of a printed paper map of the Fortress Lake, Alberta / British Columbia region (Sheet No. 083C05), published in 1970. It is the first 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 1970 and the information on the map is current as of 1956. 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.本数据集为阿尔伯塔省与不列颠哥伦比亚省交界的要塞湖（Fortress Lake）区域印刷纸质地图的地理参考栅格影像（georeferenced raster image），图幅编号为083C05，于1970年正式发布。该地图为系列地图的首版，涵盖自然与人文两大类地理要素，包括地貌（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、输电线路、地形与地表形态。本地图虽于1970年发布，但图面信息的现势性截至1956年。该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合作机构编制完成。请注意：影像采集与外业测量的周期可能跨越数年，部分地理细节的更新时间或存在先后差异。如需获取详细编制信息，请查阅图幅左下角标注的内容。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（georeferencing）工作由多伦多大学图书馆与Eastview Corporation承接完成。