Rule 6, Revision 2 [electronic resource] : To prevent spread of foot-and-mouth disease in cattle, sheep, other ruminants, and swine, effective on and after Feb. 25, 1909
Electronic reproduction. [Bethesda, Md.] : ProQuest, 2014. digital, PDF file. ProQuest U.S. Executive Branch Documents Mode of access: World Wide Web via ProQuest website.