Natural phosphates
Subtitle: paper read by J. Lainson Wills, F.C.S., on 12 March, 1892 before the Ottawa Field-Naturalists' Club.
Series: CIHM/ICMH Microfiche series -- no. 25738
Publisher: s.n.
Published: 1981
Place of publication: [Ottawa?
Language: eng
Format: Microform
Number of pages: 14
Subjects: Phosphatic fertilizers.
Other titles: Ottawa naturalist.
Notes: Cover title.

"[Reprinted from The Ottawa Naturalist, May 1892.]"

Filmed from a copy of the original publication held by the Library of the Public Archives of Canada. Ottawa : Canadian Institute for Historical Microreproductions, 1981.