(Interior Dept. Conservation bulletin 17.) [Supersedes Farmers' bulletin 1644, issued in 1931 by Biological Survey Bureau, Agriculture Department.]
Notes:
(Interior Dept. Conservation bulletin 17.) [Supersedes Farmers' bulletin 1644, issued in 1931 by Biological Survey Bureau, Agriculture Department.] * For Sale by Superintendent of Documents. Paper, 10c.
Availability:
* For Sale by Superintendent of Documents. Paper, 10c.