Coordinate Systems – Baseline GIS

Resources:

WGS84 vs NAD83.fm (uvm.edu) – PDF article describing very well ellipsoid differences;
Choose the right projection | Learn ArcGIS – basic explanation of projections with a learning plan;
- Quick_Notes_on_Map_Projections_in_ArcGIS_nov2019.pdf (s3.us-east-1.amazonaws.com)
How to choose a projection (cuny.edu) – a good write up explaining difference between transformations appropriate to measure distances or areas;

ESRI References:

Projected Coordinate Systems (arcgis.com) – PDF file with the list of projections (ArcPro 2.9) and respective WKIDs

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