(Yearbook separate 1655). [From Yearbook of agriculture, 1938, pt. 3, Soil and plant relationships.]
Notes:
(Yearbook separate 1655). [From Yearbook of agriculture, 1938, pt. 3, Soil and plant relationships.] * For Sale by Superintendent of Documents. Paper, 10c.
Availability:
* For Sale by Superintendent of Documents. Paper, 10c.