Mercredi Lake Northwest Territories / Alberta. 1:50,000. Map Sheet 074M15, ed. 1, 1973

This is a georeferenced raster image of a printed paper map of the Mercredi Lake, Northwest Territories / Alberta region (Sheet No. 074M15), published in 1973. 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 1973 and the information on the map is current as of . 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1973年发布的加拿大西北地区/阿尔伯塔省梅尔克里迪湖（Mercredi Lake）区域纸质地图的地理参考栅格图像（georeferenced raster image），图幅编号为074M15。该系列地图为首版，涵盖自然与人文两类要素，具体包括地形起伏、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、桥梁、建筑物、磨坊、输电线路、地形及地貌构造。本地图于1973年发布，图载信息的现行有效时点原文未明确标注。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机构编制。请注意：图像采集与外业测量的周期可跨越数年，部分地图细节的更新时点或晚于其他要素。如需获取详细编制信息，请查阅单幅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，地图的地理配准工作由多伦多大学图书馆与Eastview Corporation承担。