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