Note 251 — Introductory material (continued 2)

Résumé of the results of the loco-weed investigations carried on by the Bureau of Plant Industry was issued as Bulletin 121, part 3, Bureau of Plant Industry, on January 28, 1908, in the form of papers by C. Dwight Marsh and Albert C. Crawford, respectively, under the titles “Results of Loco-Weed Investigations in the Field” and “Laboratory Work on Loco-Weed Investigations.”