Detail
Type Hrgr. - Grundhäuser is a Häusergruppe (Group of Houses).
Kr Reichenbach - The Kreis for Grundhäuser is Reichenbach. A Kreis is a government district (similar to a U.S. county).
See Mellendorf - A See notation means the entry is dependent on another entry. In this case, Grundhäuser is dependent on Mellendorf, which should be consulted for additional information.