Technical Support


If you are having difficulties with GeoMarker data or documentation, please email the User Support team for assistance. Please be as detailed as possible in your email so we can better address the problem.

Please send assistance requests to


Improvement of the functionality, data, and documentation depends, in part, on feedback from users who share their suggestions and observations about errors, inconsistencies, and lack of clarity in the data and documentation. We ask users to notify us about any errors or problems they encounter or to make suggestions about how the materials could be improved.

Please send feedback to