相关数据集
MinCan: Historical Principal Productive Mines of Canada
This database provides mine-level estimates for the Canadian mining industry with a persistent annual coverage between 1950 and 2022. These estimates are based on archival maps and a selection of hist
DataCite Commons2024-03-13 更新150
subset point localities
This file contains latitude and longitude coordinates for the 23 localities representing a subset of the total data used to construct species distribution models. California records were filtered to o
DataONE2012-12-06 更新50
Mazinaw Lake (East) Ontario. 1:50,000. Map Sheet 031C14, ed. 2, 1950
This is a georeferenced raster image of a printed paper map of the Mazinaw Lake, Ontario region (Sheet No. 031C14), published in 1950. It is the second edition in a series of maps, which show both nat
DataONE2021-12-13 更新40
Sonora Island (West) British Columbia. 1:50,000. Map Sheet 092K06, ed. 1, 1955
This is a georeferenced raster image of a printed paper map of the Sonora Island, British Columbia region (Sheet No. 092K06), published in 1955. It is the first edition in a series of maps, which show
DataONE2022-09-06 更新50
Madsen Ontario. 1:50,000. Map Sheet 052K13, ed. 2, 1991
This is a georeferenced raster image of a printed paper map of the Madsen, Ontario region (Sheet No. 052K13), published in 1991. It is the second edition in a series of maps, which show both natural a
DataONE2021-12-13 更新50
