Big Island Ontario. 1:50,000. Map Sheet 052E02, ed. 4, 1988

This is a georeferenced raster image of a printed paper map of the Big Island, Ontario / United States region (Sheet No. 052E02), published in 1988. It is the fourth 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 1988. 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1988年发布的安大略省/美国地区大岛（图幅编号052E02）印刷纸质地图的地理参考栅格图像。该地图为系列地图的第四版，涵盖自然与人工地物要素，包括地形起伏、高程点、行政边界、次要道路与支路、铁路、步道、林区、包含湖泊、河流、溪流与急流在内的水系，以及桥梁、建筑物、磨坊、输电线路、地形与地表构造。本地图发布于1988年，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：图像/测绘采集日期可能跨度数年，部分要素细节的更新时间或有先后。如需获取详细编制信息，请查阅单张图幅左下角标注的内容。原始地图由麦吉尔大学图书馆与加拿迪亚纳网站（Canadiana.org）合作完成数字化扫描，地图的地理参考配准工作由多伦多大学图书馆与伊斯特维公司（Eastview Corporation）完成。