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