Cache is located at South 33 18.AB8 East 148 55.CD5
Cache is not at given co ordinates.
The following website contains the answers for the missing co ordinates.
http://www.centralnswmuseums.com.au/lidster/
A= Originally called German ? Number of letters in missing word. Subtract 2 from answer.
B= Named after ? Lidster. Number of letters in missing word. Subtract 2 from answer.
C= It was the location of the second foundation of the sisters of St. Joseph of Perthville in 187? Add 3 to missing digit.
D= The Church at Lidster was used until the late 19?0's. Add 1 to missing digit