官方服务：
资源简介：
Indiana Sanborn Historic Maps
应用场景：
相关数据集
Vennersgård (i matr Venneskål)
I plantefeltet, ca 7-8m fra bygdeveien: Rundhaug, klart markert, ikke lett synlig i terrenget. Avflatet profil. Jordhaug. Litt avflatet i midten, men virker ellers urørt....
B2FIND40
Conestogo (West) Ontario. 1:50,000. Map Sheet 040P10, ed. 1, 1952
Government of Canada; Army Survey Establishment, 2021, "Conestogo (West) Ontario. 1:50,000. Map Sheet 040P10, ed. 1, 1952", https://doi.org/10.5683/SP3/JGHUB9, Borealis, V1
The Canadian Dataverse Repository00
Guysborough (East) Nova Scotia. 1:50,000. Map Sheet 011F05, ed. 1, 1952
Government of Canada; Army Survey Establishment, 2022, "Guysborough (East) Nova Scotia. 1:50,000. Map Sheet 011F05, ed. 1, 1952", https://doi.org/10.5683/SP3/BVYPMD, Borealis, V1
The Canadian Dataverse Repository00
Chantslar Lake (East) British Columbia. 1:50,000. Map Sheet 093C02, ed. 1, 1959
Government of Canada; Army Survey Establishment, 2022, "Chantslar Lake (East) British Columbia. 1:50,000. Map Sheet 093C02, ed. 1, 1959", https://doi.org/10.5683/SP3/2YLIQK, Borealis, V1
The Canadian Dataverse Repository00
