Geology of the country around Newtownards - Memoir for 1:50 000 geological sheet 37 and part of 38 (Northern Ireland)
Johnston, T.P.
Geology of the country around Newtownards - Memoir for 1:50 000 geological sheet 37 and part of 38 (Northern Ireland) - 1 - 42
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Geology of the country around Newtownards - Memoir for 1:50 000 geological sheet 37 and part of 38 (Northern Ireland) - 1 - 42
--Issue