Data Collections These fields are in addition to Dublin Core fields to describe MDL's data collections, including microdata, statistical data, and GIS data. Collection Which type of resource this is Geospatial License Open Production Date 1952 Geographic Keywords Canada, Ontario, Georgetown Canada, Ontario, Halton Hills Continent North America Data Type Raster Keywords AIR PHOTOS AIR PHOTOS - BLACK AND WHITE Scale Altitude 6000' Links Link to ArcGIS Online Index:<br /><a href="https://utoronto.maps.arcgis.com/home/item.html?id=40ebea5cf5824b058a58a3476a3592f8">https://utoronto.maps.arcgis.com/home/item.html?id=40ebea5cf5824b058a58a3476a3592f8</a> Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource 1950 Halton Hills Air Photos Creator An entity primarily responsible for making the resource University of Waterloo Map Library (copyright holder) Description An account of the resource Scanned air photos, scanned version of the field copies; actual air photo is 21 cm x 21.5 cm (length x height).