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