1:250 000 geological series : explanatory notes /
Geological Survey of Western Australia.
Perth, W.A. : The Survey,
1955-
Each no. has also a distinctive title.
Each no. includes a folded col. map in pocket, with title: Australia 1:250 000 geological series.
Earlier eds. at scale 1:253,440.
Shared graphic index in central (thematic) file under Australia.
Issued out of chronological sequence.
Geology
Geology