Helsingfors omgivningar
Subtitle: beskrivning till jordartskarta.
Contributors: Geologinen tutkimuslaitos (Finland)
Published: 1950
Place of publication: Helsingfors
Language: fin
Number of pages: 53
Subjects: Geology -- Finland -- Helsinki.
Notes: Bibliography: p. 52-53.
Issued by Geologiska forskningsanstalten.
"Särtryck ur Helsingfors stads historia."