Detail
Type Ml. - Rosenmühle is a Mühle (Mill).
Kr Schlüchtern - The Kreis for Rosenmühle is Schlüchtern. A Kreis is a government district (similar to a U.S. county).
See Niederzell 1) - A See notation means the entry is dependent on another entry. In this case, Rosenmühle is dependent on Niederzell 1), which should be consulted for additional information.