Mr. President. the report of the committee accompanying this bill shows briefly these historical facts. In speaking of the Russian thistle the committee say: In them we find that the Russian thistle was transplanted to the United States by Russian immigrants who came here under the previsions of our national immigration laws. The seed was brought from Russia about 1878 in some black fiaxseed which was sown and the plant was first discovered to be growing upon our soil about 1880. In the southern portion of South Dakota. From there it has spread. according to official reports. ever an area of 70.000 square miles. covering twothirds of the graingrowing regions of South Dakota. almost onethird of the arable land of North Dakota. and it is to be found in many parts of Minnesota.
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