Concordance tables between Standard Industrial Classification, North American Industry Classification System, National Occupational Classification, International Standard Classification of Occupations, and Standard Occupational Classification codes.
From the web page: "The Canada Land Use Monitoring Program (CLUMP) was established in 1978 by the Lands Directorate of Environment Canada to provide researchers, planners and managers with a database on land use change.
Geocode any North American location for free.
Maps included on this web site are of cities on all continents dating from 1200 through 1930s. Each map has bibliographic data and can be viewed in low or high-resolution as well as an alternate for Mr. Sid high-magnification A speciality of this site is the city of Jerusalem.
Layers Include:
Geographic Township is a polygon feature that indicates the fundamental land subdivision fabric of the Province.
from their web page: "The National Historical Geographic Information System (NHGIS) is a project to create and freely disseminate a database incorporating all available aggregate census information for the United States between 1790 and 2015." Free account creation required.
The Tectonic Geology Data Set is a digital interpretation of the Tectonic Geology of the Province of Ontario, It illustrates this by 1) grouping volcanic and sedimentary rock units into tectonic assemblages in Precambrain terrains and depositional sequences in the overlying Paleozoic and Mesozoic
Mineral Resources Data System (MRDS): MRDS describes metallic and nonmetallic mineral resources throughout the world. Included are deposit name, location, commodity, deposit description, geologic characteristics, production, reserves, resources, and references.