官方服务：
资源简介：
Indiana Sanborn Historic Maps
应用场景：
相关数据集
French Historical Light Aids to Navigation (F-LAN), 1775-1929
F-LAN is a geospatial data set that documents hundreds of coastal lights that guided ships around France from medieval times to 1929. F-LAN provides visibility range for individual lights. The authors
NIAID Data Ecosystem60
UNI-CEN Boundaries (CBF-Original Shorelines) - Census Tract (CT) - 1986 - geojson format (WGS84 / EPSG:4326)
UNI-CEN Project, 2023, "UNI-CEN Boundaries (CBF-Original Shorelines) - Census Tract (CT) - 1986 - geojson format (WGS84 / EPSG:4326)", https://doi.org/10.5683/SP3/2KTH4L, Borealis, V1
The Canadian Dataverse Repository20
Random Island (West) Newfoundland. 1:50,000. Map Sheet 002C04, ed. 1, 1955
This is a georeferenced raster image of a printed paper map of the Random Island, Newfoundland region (Sheet No. 002C04), published in 1955. It is the first edition in a series of maps, which show bot
DataONE2022-09-06 更新20
Armstrong Ontario. 1:50,000. Map Sheet 052I06, ed. 2, 1981
Government of Canada; Army Survey Establishment, 2021, "Armstrong Ontario. 1:50,000. Map Sheet 052I06, ed. 2, 1981", https://doi.org/10.5683/SP3/TNLUN0, Borealis, V1
The Canadian Dataverse Repository20
