Oba Ontario. 1:50,000. Map Sheet 042F01, ed. 1, 1969

This is a georeferenced raster image of a printed paper map of the Oba, Ontario region (Sheet No. 042F01), published in 1969. 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 1969 and the information on the map is current as of 1963. 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1969年发布的安大略省奥巴（Oba）地区纸质印刷地图（图幅编号：042F01）的地理参考栅格影像。该地图为系列地图的首版，完整呈现了该区域的自然与人文地理要素，涵盖地形起伏、高程点、行政边界、次要道路与支路、铁路、步道、林区、水系（含湖泊、河流、溪流与急流）、桥梁、建筑、磨坊、输电线路、地表形态与地质构造。本地图虽于1969年正式发布，但所载地理信息的现势性基准为1963年。本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：影像采集与外业测量的周期可能跨越数年，部分地图细节的更新时间可能晚于其他要素。如需获取详细编制信息，请查阅图幅左下角的标注内容。原始地图由麦吉尔大学图书馆联合Canadiana.org完成数字化扫描，地图的地理参考配准工作由多伦多大学图书馆与Eastview Corporation共同完成。