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