Bolton (East) Ontario. 1:50,000. Map Sheet 030M13, ed. 3, 1954

This is a georeferenced raster image of a printed paper map of the Bolton, Ontario region (Sheet No. 030M13), published in 1954. It is the third 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 1954 and the information on the map is current as of 1954. 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1954年发布的安大略省博尔顿（Bolton）地区印刷纸质地图（图幅编号：030M13）的地理配准（georeferencing）栅格图像。
该地图为系列地图的第三版，涵盖自然与人工地物要素，包括地形起伏、独立高程点、行政边界、次要道路与支路、铁路、步道、林区、含湖泊、河流、溪流与急流在内的水系，以及桥梁、建筑、磨坊、输电线、地表形态与地貌构造。
本地图于1954年发布，其上所载地理信息的现势性截至1954年。
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部门共同编制。
请注意：图像拍摄与外业测量的时间跨度可达数年，部分地图细节的更新时间可能晚于其他要素。
如需获取详细的地图编制信息，请查阅单幅图廓左下角标注的内容。
原始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共同完成。