(Agriculture Dept. Farmers' bulletin 1556.) [This bulletin is a revision of Farmers' bulletin 863, Irrigation of grain.]
Notes:
(Agriculture Dept. Farmers' bulletin 1556.) [This bulletin is a revision of Farmers' bulletin 863, Irrigation of grain.] * For Sale by Superintendent of Documents. Paper, 5c.
Availability:
* For Sale by Superintendent of Documents. Paper, 5c.