Helicopter Creek British Columbia. 1:50,000. Map Sheet 094H15, ed. 1, 1959

This is a georeferenced raster image of a printed paper map of the Helicopter Creek, British Columbia region (Sheet No. 094H15), published in 1959. 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 1959 and the information on the map is current as of 1950. 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1959年发布的不列颠哥伦比亚省直升机溪（Helicopter Creek）区域印刷纸质地图（图幅编号094H15）的地理配准栅格图像（georeferenced raster image）。该地图为系列地图的首版，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、包含湖泊、河流、溪流与急流在内的水系、桥梁、建筑、磨坊、输电线路、地形及地貌形态等自然与人文要素。该地图于1959年发布，但其所载信息的现势性截止至1950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：图像采集与外业测量的周期可能长达数年，部分地图细节的更新时间可能晚于其他要素。如需获取详细的制作信息，请查阅单幅地图左下角的标注内容。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及Eastview Corporation提供支持。

搜集汇总

背景与挑战

背景概述

该数据集是加拿大不列颠哥伦比亚省Helicopter Creek地区1:50,000比例尺的历史地形图（图幅094H15，第一版，1959年出版），以地理配准栅格图像形式提供，显示截至1950年的自然和人文地理特征。地图由加拿大政府机构制作，经图书馆合作数字化，属于国家地形系统系列，适用于历史地理研究和环境分析。