Title: Status of white pine blister rust control on January 1, 1939
Description: <a href="http://uf.catalog.fcla.edu/uf.jsp?st=UF030262529%26ix=pm%26I=0%26V=D%26pm=1" rel="ugc nofollow">http://uf.catalog.fcla.edu/uf.jsp?st=UF030262529%26ix=pm%26I=0%26V=D%26pm=1</a>
Subjects: Blister rust--Control--United States, White pine--Diseases and pests--United States.