Dorcas Bay Ontario. 1:50,000. Map Sheet 041H04, ed. 2, 1972

This is a georeferenced raster image of a printed paper map of the Dorcas Bay, Ontario region (Sheet No. 041H04), published in 1972. It is the second 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 1972 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.

本数据集为安大略省多卡斯湾（Dorcas Bay）地区印刷纸质地图的地理参考栅格影像（georeferenced raster image），图幅号为041H04，于1972年出版。该地图为系列地图的第二版，完整呈现了该区域的自然与人工地物要素，包括地貌起伏、高程点（spot heights）、行政边界、次要道路及支路、铁路、步道、林区、涵盖湖泊、河流、溪流与急流的水系、桥梁、建筑物、磨坊、输电线路、地形与地质构造。本地图于1972年正式发行，但其所载信息的现势性截至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度数年，部分地物细节的更新时间或存在先后差异。如需获取详细编制信息，请查阅对应图幅左下角的标注内容。原始纸质地图由麦吉尔大学图书馆联合Canadiana.org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共同完成。