Drymaria experimental enclosure, plot number 4 (1935), looking south across plot 4. Note barren foreground which was not treated and compare with vegetation on treated area. Original Photo Number 333068.
Description: Drymaria experimental enclosure, plot number 4 (1935), looking south across plot 4. Note barren foreground which was not treated and compare with vegetation on treated area. Original Photo Number 333068.
