Introduction to Mapping Science: Lecture #3 (Modeling the Earth in GIS) Commonly used datums DatumSpheroidRegion of use NAD 27Clark 1866 Canada, US, A
{"Image DocumentName": "Commonly used datums Datum Spheroid Region of use NAD 27 Clark 1866", "Image ImageDescription": "Canada, US, Atlantic/Pacific Islands, Central America. NAD 83. GRS Canada, US, Central America. WGS 84. Worldwide.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}