(Agriculture Dept. Farmers' bulletin 1845.) [Revision of Farmers' bulletin 921, Principles of liming of soils.]
Notes:
(Agriculture Dept. Farmers' bulletin 1845.) [Revision of Farmers' bulletin 921, Principles of liming of soils.] * For Sale by Superintendent of Documents. Paper, 5c.
Availability:
* For Sale by Superintendent of Documents. Paper, 5c.