Detail
Type Ein. - Obernau is a Einöde (Outlying Farm).
BA Schongau - The Bezirksamt for Obernau is Schongau. The Bezirksamt is the District Office.
See Kohlgrub OBay. - A See notation means the entry is dependent on another entry. In this case, Obernau is dependent on Kohlgrub OBay., which should be consulted for additional information.