> This is a bit of a sidebar, but one thing that would make it easier for 
> people EPSG and WKT folks to create the CF representation would be if we 
> could get the friendly folks over at spatialreference.org to supply the CF 
> representation. If I google "EPSG 4326", I end up at 
> https://spatialreference.org/ref/epsg/wgs-84/

Hi @rsignell-usgs 

I'm afraid that Google may be somewhat unhelpful with its advice

the resources at  https://spatialreference.org are not very well maintained, 
and the process of maintenance has been far from clear for some time:
https://spatialreference.org/about/

The EPSG maintain the official registry for EPSG codes, providing URI and URN 
notation for encodings, e.g.
https://secure-web.cisco.com/1mrdfG7h0rclmfxYTxHuBzbeCazaF7QZ2BmtAAeHBBQ88mulHSEdV5kAxVW1-B2QCaDFYA04l15xyiTQSYJ71gXpBpWpA4uOS6g_UvJBa7mx_45QE73oEHaSjksMYh3Z4ftVbQw0oJoYkDOiWuq710MR8LGB6TxoqtpjrBw4YOLMfOGpQZpaBStk4z36j2UwZD6rjk6mHY2JjgDnHdqzh8gZdz9cF6a1b4vpEJofCkmIzLW7SnQM22KUZ3g4uRliWzvJl8Eyp_ole9O0DxCtBu7lsj85zLIaO8zHoPR1I-yiwD6FEyWZdsGv-95L8ZTR72oF-NW0RdH8N6dWwYAJ9W09pnAtPFG6hKZv1xtdCJUuC7-Y15FzDsHLhin6RL_bAO13kgm7HH08vy0IBz1e0DQ/https%3A%2F%2Fwww.epsg-registry.org%2Fexport.htm%3Fwkt%3Durn%3Aogc%3Adef%3Acrs%3AEPSG%3A%3A4326

Comparing this resource to 
https://spatialreference.org/ref/epsg/wgs-84/ogcwkt/
it is clear (to me) that the spatial reference resource have not adopted the 
updated CRS-WKT syntax, which is implemented in GDAL, ESRI and other modern 
packages.

At present the only well maintained resource for EPSG codes in WKT encoding 
that I am confident of using is
https://secure-web.cisco.com/19rpg1wM5wm-SQQIWdSKJqtjrov6ZCv0Hr6zPbd2Qrg_1ZFd1cgZQISm827mC6Rde4asWGhzQguNhudfoFImOc90YUPgkZzFttW4HTSF7Rb5hc6CuSpMS-9J7bJK9Ag3Gmu2OIGGECOppB7jADtbma4VcS0Iyq9UU_uLrXDCjXKMrrI6K5EMTzTlBTewxEw4xLYyZ-ntXwycWfrIo50GvQ-IZcuV-OJArY6H-nbYdC2WKiVd3XQnwAQR4IJI95hwk-vLrLenK0CW13L0BYUUDHxZcf8NQtvuKikG2iJklrhNz4eX4YJU7lWBjQhSWOAkxCZpLUmq-goNcQ_3hc4cFV8Hx2YKSSWY_RcylWjSCuhe6uVPHlJPrkEHc3vVQEF1XWIV-vRaFWpCNpnm_Pf2ObA/https%3A%2F%2Fwww.epsg-registry.org%2F

all the best
mark



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