Results of surtrace geochemical surveys over the Marathon and Marshall Lake area
Subtitle: district of Thunder Bay
By: by D.R Clews and R.E. Lett.
Contributors: Lett, Raymond Ernest Wingrove, 1945.; Ontario. Ministry of Natural Resources.; Ontario Geological Survey.
Series: Ontario Geological Survey study -- 25
Publisher: Ministry of Natural Resources
Published: 1983
Place of publication: Toronto, Ont
Language: eng
Number of pages: 61
Subjects: Geochemistry -- Ontario -- Thunder Bay region.
Notes: Eleven charts on folded leaves in pocket.

Bibliogr.

1