There are several active groups focused on this community of practice.  We encourage you to connect and contribute!  Here are a few:

• Roles of Librarians in Geography and GIS Education (ROLGGE), launched at Carnegie Mellon University, has a discussion website (https://groups.io/g/geolibraries). 

• Map and Geospatial Information Roundtable (MAGIRT) of the American Library Association (https://www.ala.org/rt/magirt) 

• The Western Association of Map Libraries (WAML) hosts conferences and web resources (https://waml.org/) 

Here are common publishing venues with articles covering topics on GIS and map librarianship and open educational resources:

• Journal of Map & Geography Libraries

• e-Perimetron

• Cartographic Perspectives

• Issues in Science & Technology Librarianship

• Western Association of Map Libraries (WAML) Information Bulletin

• Association of Canadian Map Libraries and Archives (ACMLA) Bulletin

• portal: Libraries and the Academy

• The Journal of Academic Librarianship

UC San Diego Library maintains an active list of GIS and Geospatial Technology Conferences. The Esri Education Summit,  Western Association of Map Libraries, IASSIST, USGIS, and NACIS conferences may be of particular interest to GIS librarians and support staff.