A comparative test of fuel oils and appliances used in orchard heating to prevent frost injury
By: [by] P.J. O'Gara ...
Series: Office of the Pathologist and local United States weather bureau station for Rogue River Valley. Bulletin -- no. 6.; Bulletin (Office of the Pathologist and Local United States Weather Bureau Station for Rogue River Valley) -- no. 6.
Published: 1912
Place of publication: [Medford, Ore.]
Language: eng
Number of pages: 27
Subjects: Fuel.
Notes: "January 1,1912."