Drymaria experimental enclosure, plot 2, 1935 tests, general view across plot 2 showing the vigor of some of the russian thistle plants and some of the vegetation in the furrows. Original Photo Number 333064.
Description: Drymaria experimental enclosure, plot 2, 1935 tests, general view across plot 2 showing the vigor of some of the russian thistle plants and some of the vegetation in the furrows. Original Photo Number 333064.
