Rostoul Lake Ontario. 1:50,000. Map Sheet 052L15, ed. 1, 1976

This is a georeferenced raster image of a printed paper map of the Rostoul Lake, Ontario region (Sheet No. 052L15), published in 1976. 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 1976 and the information on the map is current as of 1970. 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1976年发布的安大略省罗斯图尔湖（Rostoul 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052L15。该地图为系列地图的首版，可展示自然与人文两类地理要素，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、涵盖湖泊、河流、溪流与急流的水系，以及桥梁、建筑、磨坊、输电线路、地表形态与地质构造。本地图虽于1976年发布，但所载地理信息的现势性截止至1970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部门共同编制。请注意：影像采集与外业测量的周期可能跨越数年，部分地理要素的更新时间或晚于其他内容，如需获取详细的编制信息，请查阅各图幅左下角标注的相关说明。原始纸质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伊斯特维公司（Eastview Corporation）共同完成。