Also try this site: http://18.104.22.168/translate_c?hl=en&u=http://oldmaps...
1- click '1st Military Survey'
2- click 'Moravia' or either of the other districts
3- this will bring-up a white map .. click on a quadrant
this will bring-up a beautiful detailed map of the area...
(quadrant #12 on the 1st Military Survey map... brings district where Thoendel and Latzel forefathers lived.)
4- now you will have many options on moving on the mapped area...
Searching: Thoendel/Thöndel, Heinz, Schrier