The Reserves Act 1977 has a list of laws that it changes, which is called Enactments amended. You can find this list in the schedule, which is extra information that is not part of the main act. The schedule says that the Reserves Act 1977 changes several other laws, including the Coal Mines Act 1925, the Counties Amendment Act 1961, and the Hauraki Gulf Maritime Park Act 1967.
These laws are all affected by the Reserves Act 1977, as stated in s 124(2). The schedule also mentions the Local Authorities Loans Act 1956, the Local Authorities (Members' Interests) Act 1968, and the Local Government Act 1974.
The Reserves Act 1977 also changes the Municipal Corporations Act 1954 and the Public Bodies Meetings Act 1962, which are other laws that are affected by this act.