Detail
Type Ml. - Geismühle is a Mühle (Mill).
Kr Gelnhausen - The Kreis for Geismühle is Gelnhausen. A Kreis is a government district (similar to a U.S. county).
See Altenmittlau - A See notation means the entry is dependent on another entry. In this case, Geismühle is dependent on Altenmittlau, which should be consulted for additional information.