On the occurrence of sphagnum atolls in central Minnesota
By: Conway MacMillan
Series: Bulletin (Geological and Natural History Survey of Minnesota) -- No. 9
Published: 1894].
Place of publication: Minneapolis, Minnesota
Language: eng
Number of pages: 13
Notes: Bulletin (Geological and Natural History Survey of Minnesota) ; No. 9. Minnesota Botanical Studies, [Botanical Series II, v. 1, p. 1-13, 1894].