Marten Lake (West) Ontario. 1:50,000. Map Sheet 031L12, ed. 2, 1960

This is a georeferenced raster image of a printed paper map of the Marten Lake, Ontario region (Sheet No. 031L12), published in 1960. 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 1960 and the information on the map is current as of 1951. 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马滕湖（Marten 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031L12，于1960年正式发布。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文地物要素，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、涵盖湖泊、河流、溪流与急滩的水系、桥梁、建筑物、磨坊、输电线路、地表形态与地质构造。本地图于1960年出版，但所载地理信息的现势性截止至1951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编制完成。请注意：影像获取与外业测量的周期可能长达数年，部分地物细节的更新时间存在先后差异。如需获取单幅地图的详细编制信息，请查阅图廓左下角标注的内容。原始纸质地图由麦吉尔大学图书馆（McGill Libraries）联合Canadiana.org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（University of Toronto Libraries）与Eastview Corporation共同完成。